Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804208 | Manifold coupling assembly | — | 1989-02-14 |
| 4793328 | Method of producing pressure for a multi-chambered sleeve | Mark W. Kolstedt | 1988-12-27 |
| 4693707 | Tamper discouraging device | — | 1987-09-15 |
| 4631056 | Tamper discouraging system | — | 1986-12-23 |
| 4286000 | Plastic preform | Earl L. Lowe | 1981-08-25 |
| 4194464 | Record care pad | Virgil F. Friebel | 1980-03-25 |