Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D278468 | Plastic sheet material or the like | Helen H. Trotman, Herbert H. Trotman | 1985-04-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D278468 | Plastic sheet material or the like | Helen H. Trotman, Herbert H. Trotman | 1985-04-16 |