Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D317977 | Case for a calculator, or the like | Donald J. Felkner | 1991-07-09 |
| 5006699 | System for collecting medical data | Donald J. Felkner | 1991-04-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D317977 | Case for a calculator, or the like | Donald J. Felkner | 1991-07-09 |
| 5006699 | System for collecting medical data | Donald J. Felkner | 1991-04-09 |