Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4971220 | "Container with ""stay open"" lid" | David P. Kaufman | 1990-11-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4971220 | "Container with ""stay open"" lid" | David P. Kaufman | 1990-11-20 |