Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D589151 | Hearing aid ear canal dome | — | 2009-03-24 |
| D367517 | Water line cathodic protection unit | William A. Roop | 1996-02-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D589151 | Hearing aid ear canal dome | — | 2009-03-24 |
| D367517 | Water line cathodic protection unit | William A. Roop | 1996-02-27 |