Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304282 | Container lid | Henry G. Roethel, Raymond P. Kowalics | 1989-10-31 |
| 4736867 | Container lid | Henry G. Roethel, Raymond P. Kowalics | 1988-04-12 |
| 4360129 | System for dispensing viscous or chunky materials | Paul E. Brokaw, Frans L. Adeboi, James G. Freeman, Raymond P. Kawolics, Frank C. Stanbrook | 1982-11-23 |