Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006833 | Sewer line restriction alarm placed in clean out plug | Christian P. Marlowe | 1991-04-09 |
| 4254102 | Substantive PABA compositions | Carl Kaplan, Robert M. Sayre | 1981-03-03 |