Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4226341 | Volume adjustment device | Edward M. Brown | 1980-10-07 |
| 4183450 | Metering device | Neil H. Downing, Edward M. Brown | 1980-01-15 |
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4226341 | Volume adjustment device | Edward M. Brown | 1980-10-07 |
| 4183450 | Metering device | Neil H. Downing, Edward M. Brown | 1980-01-15 |