Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D406541 | Inner lid for water meter pit | Dale R. Lehmann | 1999-03-09 |
| 5718113 | Fuel strip | — | 1998-02-17 |
| 4439661 | Apparatus and method for double end stud welding | Thomas E. Doyle, Daniel Hauser, David C. Martin | 1984-03-27 |
| 4339653 | Method for double end stud welding | Thomas E. Doyle, Daniel Hauser, David C. Martin | 1982-07-13 |