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Michael J. Rosenow
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Issaquah, WA, US
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last 30 patents
Information
Patent Grant
Method for ensuring secure communications
Patent number
5,301,247
Issue date
Apr 5, 1994
Crest Industries, Inc.
Harry R. Rasmussen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Encryption/decryption apparatus with non-accessible table of keys
Patent number
5,237,611
Issue date
Aug 17, 1993
Crest Industries, Inc.
Harry R. Rasmussen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Encrypted communication system
Patent number
5,222,136
Issue date
Jun 22, 1993
Crest Industries, Inc.
Harry R. Rasmussen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multichannel data encryption device
Patent number
5,128,996
Issue date
Jul 7, 1992
The Exchange System Limited Partnership
Michael J. Rosenow
G07 - CHECKING-DEVICES
Information
Patent Grant
Method of updating encryption device monitor code in a multichannel...
Patent number
5,123,047
Issue date
Jun 16, 1992
The Exchange System Limited Partnership
Michael J. Rosenow
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Redundant encryption processor arrangement for use in an electronic...
Patent number
5,022,076
Issue date
Jun 4, 1991
The Exchange System Limited Partnership
Michael J. Rosenow
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Backup/restore technique in a microcomputer-based encryption system
Patent number
5,008,936
Issue date
Apr 16, 1991
The Exchange System Limited Partnership
Scott B. Hamilton
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Power supply arrangement for fault-tolerant operation in a microcom...
Patent number
4,997,288
Issue date
Mar 5, 1991
The Exchange System Limited Partnership
Michael J. Rosenow
G06 - COMPUTING CALCULATING COUNTING