Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818385 | Filter with high pressure indicator | — | 1989-04-04 |
| 4802979 | Fluid filter having separable elements and removable end closures | — | 1989-02-07 |
| 4695377 | Fluid filter having separable elements | — | 1987-09-22 |
| 4693357 | Multiple chute coin mechanism | Weldon J. Aschenbeck | 1987-09-15 |
| 4579215 | Multiple chute coin mechanism | — | 1986-04-01 |
| 4236650 | Single copy periodical dispenser | — | 1980-12-02 |