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Patent applications and USPTO patent grants for McDonnal; William D..The latest application filed is for "cryptographic file labeling system for supporting secured access by multiple users".
Patent | Date |
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Cryptographic file labeling system for supporting secured access by multiple users Grant 5,953,419 - Lohstroh , et al. September 14, 1 | 1999-09-14 |
System for automatic decryption of file data on a per-use basis and automatic re-encryption within context of multi-threaded operating system under which applications run in real-time Grant 5,796,825 - McDonnal , et al. August 18, 1 | 1998-08-18 |
System for automatic decryption of file data on a per-use basis and automatic re-encryption within context of multi-threaded operating system under which applications run in real-time Grant 5,699,428 - McDonnal , et al. December 16, 1 | 1997-12-16 |
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