Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6401958 | Lid closure system | Frank E. Heywood, William M. Maser | 2002-06-11 |
| 6378249 | Lid lifting mechanism | Frank E. Heywood, William M. Maser | 2002-04-30 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6401958 | Lid closure system | Frank E. Heywood, William M. Maser | 2002-06-11 |
| 6378249 | Lid lifting mechanism | Frank E. Heywood, William M. Maser | 2002-04-30 |