Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5579808 | Permanent core plumbing product | Erwin F. Mikol | 1996-12-03 |
| 5579823 | Method of casting a permanent core plumbing product | Erwin F. Mikol | 1996-12-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5579808 | Permanent core plumbing product | Erwin F. Mikol | 1996-12-03 |
| 5579823 | Method of casting a permanent core plumbing product | Erwin F. Mikol | 1996-12-03 |