Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4946478 | Particulate collection and dewatering means for airborne particulate matter | Charles E. Davis | 1990-08-07 |
| 4828187 | Particulate separation chamber and bag disposal means in a negative pressure system for collection of hazardous material | Charles E. Davis | 1989-05-09 |
| 4311178 | Interior space divider for golf bag | — | 1982-01-19 |