FISCHER, ADDISON M.
Patent Owner
Stats
- 7 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Oct 14, 2008 most recent publication
Details
- 7 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 1,155 Total Citation Count
- Feb 13, 1987 Earliest Filing
- 1 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
7436957 Audio cassette emulator with cryptographic media distribution controlJul 29, 99Oct 14, 08[H04M]
6216229 Method for preventing inadvertent betrayal by a trustee of escrowed digital secretsJul 17, 00Apr 10, 01[H04L]
6141423 Method for preventing inadvertent betrayal by a trustee of escrowed digital secretsJun 05, 95Oct 31, 00[H04L]
5436972 Method for preventing inadvertent betrayal by a trustee of escrowed digital secretsOct 04, 93Jul 25, 95[H04K]
5412717 Computer system security method and apparatus having program authorization information data structuresMay 15, 92May 02, 95[H04L]
5311591 Computer system security method and apparatus for creating and using program authorization information data structuresJun 03, 93May 10, 94[H04L]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4881197 Document composition system using named formats and named fontsExpiredFeb 13, 87Nov 14, 89[G06F]
Top Inventors for This Owner
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