Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335750 | Reversing valve construction and piston head assembly therefor and methods of making the same | Werner Bauer | 1982-06-22 |
| 4324273 | Reversing valve construction and piston head assembly therefor and methods of making the same | Werner Bauer | 1982-04-13 |