Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11686575 | Hardness and flatness tester | David J. Norberg, Daniel Yocius | 2023-06-27 |
| 11009342 | Hardness and flatness tester | David J. Norberg, Daniel Yocius | 2021-05-18 |
| 8195495 | Computer system and method for handling encounters | Adam Fendelman, Josh K. Metnick, Brad Spirrison, Kevin Sours, Tien-Min Yuan +2 more | 2012-06-05 |
| 6265993 | Furlable keyboard | — | 2001-07-24 |
| 4822013 | Apparatus for securing a component | — | 1989-04-18 |
| D274741 | Game ball racket | Harleston J. Hall, Jr., Drew J. Yuhas, Frank J. Duggan, Paul A. Witte | 1984-07-17 |
| D272554 | Game ball racket throatpiece | Paul A. Witte | 1984-02-07 |
| D272553 | Squash racket | Harleston J. Hall, Jr., Drew J. Yuhas, Frank J. Duggan | 1984-02-07 |
| D267184 | Tennis racket | Paul A. Witte | 1982-12-07 |
| D266457 | Article carrier for truck cabs | — | 1982-10-12 |
| D259940 | Racquetball racket | Paul A. Witte | 1981-07-21 |
| D258818 | Battery cable clamp | Paul A. Witte | 1981-04-07 |
| D257563 | Racquetball racket | Harleston J. Hall, Jr., Paul A. Witte | 1980-11-25 |