MCGURK, RICHARD G.
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Mar 02, 1982 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 133 Total Citation Count
- Mar 23, 1979 Earliest Filing
- 6 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
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Recent Publications
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Recent Patents
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4317960 Telephone-conferencing and inquiry-handling apparatus and methodExpiredMar 23, 79Mar 02, 82[H04M]
4317007 Telephone-conferencing method and apparatus with monitor-only accessExpiredMar 23, 79Feb 23, 82[H04M]
4305149 Conferencing method and apparatus with multiplexed analog signalsExpiredMar 23, 79Dec 08, 81[H04M, H04J]
4303804 Telephone-conferencing apparatus and method having line locationExpiredMar 23, 79Dec 01, 81[H04M]
4295008 Telephone-conferencing apparatus and method having response tallyingExpiredMar 23, 79Oct 13, 81[H04M]
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