Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8365953 | Caulking gun having adjustable handle and actuating and restraining mechanism | Janet Ellis Calvo | 2013-02-05 |
| 8006867 | Caulking gun | Janet Ellis Calvo | 2011-08-30 |
| 6767161 | Highway electric power generator | Janet Ellis Calvo | 2004-07-27 |
| 6425424 | Multi use funnels | Janet H. Ellis Calvo | 2002-07-30 |