Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5035145 | Differential manometer pressure gage | Richard H. Spencer, Arthur A. Massucco | 1991-07-30 |
| 4453278 | Chemical dispenser | Roger H. Doggett | 1984-06-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5035145 | Differential manometer pressure gage | Richard H. Spencer, Arthur A. Massucco | 1991-07-30 |
| 4453278 | Chemical dispenser | Roger H. Doggett | 1984-06-12 |