Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5506991 | Printer port adapter with overlaid one-wire interface for electronic key | Stephen M. Curry, William L. Payne, II, Kevin Deierling, Guenter H. Lehmann | 1996-04-09 |
| 5297099 | Integrated circuit with both battery-powered and signal-line-powered areas | Clark R. Williams | 1994-03-22 |
| 5276354 | Integrated circuit package with battery housing | Joseph Link, Allen H. Brunk, Jr., Paul E. Schneikart | 1994-01-04 |
| 5249298 | Battery-initiated touch-sensitive power-up | Wendell L. Little | 1993-09-28 |
| 5243535 | Digital potentiometer with stackable configuration | Robert D. Lee, Gary V. Zanders | 1993-09-07 |
| 5226137 | Electronic key with multiple password protected sub-keys using address and translation to implement a block data move between public and protected sub-keys | Robert D. Lee | 1993-07-06 |
| 5189598 | Dual function microboard with a row of connectors on two edges | Wendell L. Little, Elaine Jansen, Don Folkes | 1993-02-23 |
| 5055704 | Integrated circuit package with battery housing | Joseph Link, Allen H. Brunk, Jr., Paul E. Schneikart | 1991-10-08 |
| 5025141 | Hand-held wand for reading electronic tokens | — | 1991-06-18 |
| 5010331 | Time-key integrated circuit | Donald R. Dias, Robert D. Lee, Francis A. Scherpenberg | 1991-04-23 |
| 4998888 | Integrated circuit package with battery housing | Joseph Link, Allen H. Brunk, Jr., Paul E. Schneikart | 1991-03-12 |
| 4982371 | Compact electronic module having a RAM device | Robert D. Lee | 1991-01-01 |
| 4952817 | Self-starting test station | Wendell L. Little, Kevin Deierling | 1990-08-28 |
| 4945217 | Hand-held wand for reading electronic tokens | — | 1990-07-31 |
| 4908796 | Registered outputs for a memory device | Robert D. Lee, Hal Kurkowski | 1990-03-13 |
| D301713 | Portable memory module | Francis A. Scherpenberg, William F. Davies, Jr. | 1989-06-20 |
| 4645943 | Space-saving back-up power supply | John W. Smith, Francis A. Scherpenberg, Ching-Lin Jiang | 1987-02-24 |