Abraham; Dennis G.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Abraham; Dennis G..The latest application filed is for "secure establishment of cryptographic keys using persistent key component".

Company Profile

0.21.0

Abraham; Dennis G. - Concord NC
Abraham; Dennis G. - Vestal NY
Abraham; Dennis G. - N/A

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Secure establishment of cryptographic keys using persistent key component Grant 6,684,334 - Abraham January 27, 2	2004-01-27
Secure establishment of cryptographic keys Grant 6,606,387 - Abraham August 12, 2	2003-08-12
Method and apparatus for initialization of cryptographic terminal Grant 5,745,576 - Abraham , et al. April 28, 1	1998-04-28
User defined function facility Grant 5,301,231 - Abraham , et al. April 5, 1	1994-04-05
Secure computer system having privileged and unprivileged memories Grant 5,237,616 - Abraham , et al. August 17, 1	1993-08-17
Secure translation of usage-control values for cryptographic keys Grant 5,177,791 - Yeh , et al. January 5, 1	1993-01-05
Transaction system security method and apparatus Grant 5,148,481 - Abraham , et al. September 15, 1	1992-09-15
Secure management of keys using control vectors with multi-path checking Grant 5,103,478 - Matyas , et al. April 7, 1	1992-04-07
Transaction system security method and apparatus Grant 5,048,085 - Abraham , et al. September 10, 1	1991-09-10
Secure key management using control vector translation Grant 4,993,069 - Matyas , et al. February 12, 1	1991-02-12
Secure management of keys using control vectors Grant 4,941,176 - Matyas , et al. July 10, 1	1990-07-10
Secure management of keys using extended control vectors Grant 4,924,515 - Matyas , et al. May 8, 1	1990-05-08
Personal identification number processing using control vectors Grant 4,924,514 - Matyas , et al. May 8, 1	1990-05-08
Data cryptography operations using control vectors Grant 4,918,728 - Matyas , et al. April 17, 1	1990-04-17
Secure component authentication system Grant 4,799,061 - Abraham , et al. January 17, 1	1989-01-17
Image compression systems Grant 4,486,784 - Abraham , et al. December 4, 1	1984-12-04
Stepper Motor Control System Using Pulse Injection For Velocity Overshoot Control Grant 3,812,414 - Abraham , et al. May 21, 1	1974-05-21
High Frequency Stepper Motor Grant 3,806,744 - Abraham , et al. April 23, 1	1974-04-23
Stepping Motor Control System Utilizing Pulse Blanking And Pulse Injection Techniques Including Plural Shaft Encoder Grant 3,736,488 - Abraham , et al. May 29, 1	1973-05-29
Stepping Motor Control System Using Pulse Injection Grant 3,694,725 - Abraham , et al. September 26, 1	1972-09-26
Stepping Motor Constant Velocity Drive Including Closed And Open Loop Control Grant 3,601,678 - Abraham , et al. August 24, 1	1971-08-24

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