Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4631940 | Digital readout combination lock dial assembly | Gary R. Murphree | 1986-12-30 |
| 4359385 | Filter press plate transfer mechanism | — | 1982-11-16 |
| 4305821 | Doctor blade lifter over belt seam | Robert E. Crandall | 1981-12-15 |