Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4289232 | Diaphragm case or the like | Paula Seibel | 1981-09-15 |
| D258575 | Diaphragm case or the like | — | 1981-03-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4289232 | Diaphragm case or the like | Paula Seibel | 1981-09-15 |
| D258575 | Diaphragm case or the like | — | 1981-03-17 |