Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5275197 | Valve structure for a sack or the like to be filled with air | — | 1994-01-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5275197 | Valve structure for a sack or the like to be filled with air | — | 1994-01-04 |