Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4440311 | Sealed moistureproof container | Louis S. Hoffman | 1984-04-03 |
| 4359852 | Sealed moistureproof container | Louis S. Hoffman | 1982-11-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4440311 | Sealed moistureproof container | Louis S. Hoffman | 1984-04-03 |
| 4359852 | Sealed moistureproof container | Louis S. Hoffman | 1982-11-23 |