Datotek, Inc.
Records under this name other than patents Datotek, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 3,991,271 | Voice security method and system Term ended Term ended no later than Nov 9, 1996 · Low confidence | Term ended | Term ended no later than Nov 9, 1996 | Low confidence |
| US 4,013,837 | Voice security method and system Term ended Term ended no later than Mar 22, 1997 · Low confidence | Term ended | Term ended no later than Mar 22, 1997 | Low confidence |
| US 4,020,285 | Voice security method and system Term ended Term ended no later than Apr 26, 1997 · Low confidence | Term ended | Term ended no later than Apr 26, 1997 | Low confidence |
| US 4,079,188 | Multi-mode digital enciphering system Term ended Term ended no later than Mar 14, 1998 · Low confidence | Term ended | Term ended no later than Mar 14, 1998 | Low confidence |
| US 4,091,423 | Synchronous digital data scrambling system Term ended Term ended no later than May 23, 1998 · Low confidence | Term ended | Term ended no later than May 23, 1998 | Low confidence |
| US 4,115,657 | Random digital code generator Term ended Term ended no later than Sep 19, 1998 · Low confidence | Term ended | Term ended no later than Sep 19, 1998 | Low confidence |
| US 4,133,973 | Digital cryptographic system having synchronous and asynchronous capabilities Term ended Term ended no later than Jan 9, 1999 · Low confidence | Term ended | Term ended no later than Jan 9, 1999 | Low confidence |
| US 4,133,974 | System for locally enciphering prime data Term ended Term ended no later than Jan 9, 1999 · Low confidence | Term ended | Term ended no later than Jan 9, 1999 | Low confidence |
| US 4,140,873 | Multi-mode digital enciphering system Term ended Term ended no later than Feb 20, 1999 · Low confidence | Term ended | Term ended no later than Feb 20, 1999 | Low confidence |
| US 4,166,922 | Multi-mode digital enciphering system with repeated priming sequences Term ended Term ended no later than Sep 4, 1999 · Low confidence | Term ended | Term ended no later than Sep 4, 1999 | Low confidence |