Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9790980 | Fastener nut for channel framing | William E. McCarthy, James A. Knutson, Zhihui Zhang | 2017-10-17 |
| 5288958 | Lockable remote rotary handle operator for circuit breakers | Kurt A. Grunert, Gerald J. Leary, Ronald D. Smiddle | 1994-02-22 |
| 5169313 | Dental scales and curettes having improved cutting blade and shank configurations | — | 1992-12-08 |
| 5127833 | Dental scalers and curettes having improved cutting blade and shank configurations | — | 1992-07-07 |
| 5024600 | Periodontal scaler-like medicinal fluid applicator | — | 1991-06-18 |
| 5004419 | Scalers for periodontal use | — | 1991-04-02 |
| 4988295 | Identification marking system for dental instruments | — | 1991-01-29 |
| 4609353 | Dental apparatus for removing crowns | — | 1986-09-02 |