Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11290117 | Low-frequency arithmetic multiplying PLL for HDL devices | — | 2022-03-29 |
| 4711993 | Fraud-resistant manual magnetic reader-writer system for debit card use | Merlyn Barth | 1987-12-08 |
| 4669049 | Temperature measuring instrument and adapter for same | Raymond F. Mohrman, Philip M. Gundlach, Jr. | 1987-05-26 |
| 4599510 | Vibration-minimizing magnetic card reader | Merlyn Barth | 1986-07-08 |
| 4562490 | Jackpot-resistant magnetic card encoding | Merlyn Barth | 1985-12-31 |