Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4398754 | Electrically insulated pipe coupling and method for making the same | Edward L. Schmitt | 1983-08-16 |
| 4348006 | Plastic valve assembly | Edward L. Schmitt, Charles Bolam, Richard W. Conley | 1982-09-07 |