Keller; John A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Keller; John A..The latest application filed is for "method and apparatus for credit card maintenance".
- Keller; John A. - Sea Isle NJ
- Keller; John A. - Coatesville PA
| Patent | Date |
|---|---|
| Method and apparatus for credit card maintenance Grant 6,196,594 - Keller March 6, 2 | 2001-03-06 |
| System and method for providing variable sector-format operation to a disk access system Grant 5,813,025 - Murphy , et al. September 22, 1 | 1998-09-22 |
| Security improved card Grant 5,700,037 - Keller December 23, 1 | 1997-12-23 |
| Multi-event mechanism for queuing happened events for a large data processing system Grant 5,010,482 - Keller , et al. April 23, 1 | 1991-04-23 |
| Special purpose processor for off-loading many operating system functions in a large data processing system Grant 4,796,178 - Jennings , et al. January 3, 1 | 1989-01-03 |
| Event allocation mechanism for a large data processing system Grant 4,779,194 - Jennings , et al. October 18, 1 | 1988-10-18 |
| SEC | 0001263380 | KELLER JOHN A |
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