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IEEE Stds 802.5 - 802.10 and amendments

Std No. Patent Owner Contact for License Patent Serial No. (if indicated) Letter Date Assurance Received Date record entered or revised (if known)
802.5 Willemijn Houdstermaatschappij BV Postbus 29193, 3001 GD Rotterdam, The Netherlands Pollock, Vande Sande & Priddy 1990 M Street, N.W., P. O. Box 19088, Washington, D. C. 20036-3425 (U.S. Counsel), tel: 202-331-7111, fax: 202-293-6229 4,293,948 (US) (may be others) 28-Jan-1988 yes  
802.5 Beale International Technology Clifton Technology Centre, Clifton Moor Gate York YO3 8XF United Kingdom R. P. Ritchie - Assistant General Counsel, tel: +44 0904-692700, fax: +44 0904-692097 4,709,365 (US) 0140712 (European patent) 17-Mar-1989 yes  
802.5 International Business Machines Corporation -- Armonk, New York 10504 W. C. Doud - Vice President not indicated 17-May-1983 yes  
802.5 International Business Machines Dr. W. Charlton Adams Jr.-Program Director Standards and Open Source, Technology & Intellectual Property, North Castle Drive, Armonk NY 10504 ; tel: +1-914-765-4382; fax: +1-914-765-4420; email: wcadams@us.ibm.com; URL: www.ibm.com 5,680,397 (US) 15-Nov-2007 yes 16-Nov-2007
802.5 Proteon, Inc. Nine Technology Drive, Westborough, Massachusetts 01581-1799 Patrick Courtin - President, Alan C. Marshall - Vice President, tel: 1-508-898-2800 not indicated 16-Jul-1992 yes  
802.5c Hitachi, Ltd. New Marunouchi Building, 5-1, Marunouchi 1-chome, Chiyoda-ku, Tokyo 100, Japan H. Aoyama - General Manager, Intellectual Property Office, tel: 03-212-1111, fax: 03-214-3110 4,763,315 (US) 16-Mar-1989 yes  
802.5c Unisys Corporation One Unisys Place, Detroit, Michigan 48232 Edmund M. Chung - Vice President & General Manager, tel: 1-313-972-7114 4,190,821 (US) 7-Sep-1989 yes  
802.5m Proteon, Inc. Nine Technology Drive, Westborough, Massachusetts 01581-1799 Patrick Courtin - President Alan C. Marshall - Vice President, tel: 1-508-898-2800, not indicated 16-Jul-1992 yes  
802.5m RAD Network Devices Ltd. Atidim Technological Park, Bldg.1, Tel Aviv 61131, Israel Amnon Yacoby 5,088,090 (US) 25-Aug-1992 yes  
802.5t NORTEL NETWORKS CORP., 8200 Dixie Road, Suite 100, GMS 036/NO/151, Brampton, ON L6T5P6, Canada Stuart Wilkinson, Vice-President - IP Licensing & Transactions, tel: 905-863-1146, fax: 905-863-8431 5,321,372 (US) 25-Oct-1999 yes 16-Aug-2000
802.5t Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 Dan Lang-Director, Patents and Standards IPR, tel: +1-408-526-6672, fax: +1-408-526-5952, email: standards-ipr@cisco.com 5,280,500 (US) 27-Oct-1999 yes 12-Jul-2007
802.5t Cabletron Systems, 35 Industrial Way, PO Box 5005, Rochester, NH 03866-5005 Norma E. Henderson, Esq., Patent Counsel - Cabletron Systems Inc., tel: 603-332-9400 not indicated 20-Sep-1999 yes 16-Aug-2000
802.5t Hyundai Electronics Industries Co., Ltd., Hyundai Jeonja Bldg. 66, Chuckseon-dong, Chongro-ku, Seoul, Korea U.S. Counsel: Robert C. Colwell, TOWNSEND and TOWNSEND and CREW, 379 Lytton Avenue., Palo Alto, CA 94301-1431, tel: 650-326-2400, fax: 650-326-2422 4,530,088 (US) 13-Oct-1999 yes 16-Aug-2000
802.5t PARADYNE, 8545 126th Ave. N., Largo, FL 33773 James L. Slattery - Senior Vice-President, Chief Legal and Intellectual Property Officer, Corporate Secretary, tel: 727-530-2000 not indicated 9-Sep-1999 yes 16-Aug-2000
802.6 AT&T, 10 Independence Blvd., PO Box 4911, Warren, NJ 07060-0911 T. C. Dodd - Manager, Intellectual Property, tel: 201-580-4000, fax: 201-580-8355 not indicated 24-May-1990 yes  
802.6 QPSX Communications Ltd. , Perth, Western Australia Peter Abery - Managing Director 1, 252, 540 (Canada) 5,051,742 (US) 4,922,244 (US) 591,645 (Australia) 617,928 (Australia) 5,050,166 (US) 601,571 (Australia)   yes 10-Sep-97
802.9 National Semiconductor Corporation 900 National Parkway, Suite 225, Schaumburg, Illinois 60173 Richard Brand not indicated 8-Mar-1993 yes  
802.9 Racal - Datacom Ltd. Landata House, HOOK, Hampshire, United Kingdom Peter McCall - Contracts Manager, tel: 44-256-763911, fax: 44-256-766272 not indicated 3-Nov-1992 yes  
802.9a National Semiconductor Corporation 900 National Parkway, Suite 225, Schaumburg, Illinois 60173 Sanjay Popli - Technology Development, tel: 1-708-517-5572, fax: 1- 708-517-5810 not indicated 18-Sep-1995 yes  
802.9f Intecom, Inc. Liberty Plaza II, 5057 Keller Springs Road, Dallas, TX 75248 Richard B. Platt - Chief Technology Director, tel: 1-800-946-2483, fax: 1- 214-447-8205 patent pending 9-Mar-1995 yes  
802.10c Cylink Corporation 910 Hermosa Court, Sunnyvale, CA 94086 Robert B. Fougner General Counsel tel: 1-408-735-5800 fax: 1-408-735-6643 4,424,414 (US) 20-Jan-1998 yes. Patent not necessary to practice the standard. 21-Jan-98
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