Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D428339 | Combined bottle and cap | Karen Anne Johnston | 2000-07-18 |
| 4593504 | Pressure equalizing roof vent | Charles Bonnici | 1986-06-10 |
| 4538508 | Roof ventilator having fluid flow control and method of making same | — | 1985-09-03 |
| 4512243 | Ventilator having insert for controlling moisture and method of making same | Larry R. Ballard | 1985-04-23 |
| RE31549 | One-piece roof vent device and methods of constructing and utilizing same | Larry R. Ballard | 1984-04-10 |
| 4370876 | Methods of constructing a one-piece roof vent device | Larry R. Ballard | 1983-02-01 |
| 4214513 | One-piece roof vent device and methods of constructing and utilizing same | Larry R. Ballard | 1980-07-29 |
| D254804 | Roof vent | Larry R. Ballard | 1980-04-22 |