Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5857922 | Golf putting club | — | 1999-01-12 |
| D381384 | Golf putter head | — | 1997-07-22 |
| 4910990 | Apparatus for making substantially forged articles such as tank tread connectors | — | 1990-03-27 |
| 4848129 | Method for making substantially forged articles such as tank tread connectors | — | 1989-07-18 |
| 4559804 | Method and apparatus for forging wedge-shaped parts | Donald J. Diemer | 1985-12-24 |
| 4555925 | Method and apparatus for preforming a billet with no draft and no flash | Donald J. Diemer | 1985-12-03 |
| 4463637 | Method and apparatus for trimming forgings | Donald J. Diemer | 1984-08-07 |
| 4425779 | Method of making single or double flanged track tractor roller for off-highway equipment | Donald J. Diemer | 1984-01-17 |
| 4413496 | Method of making flanged track tractor roller for off-highway equipment | Donald J. Diemer | 1983-11-08 |
| 4413499 | Rolling key lock for forging die and press | Donald J. Diemer | 1983-11-08 |
| 4294101 | Method of making single or double flanged track tractor roller for off-highway equipment | Donald J. Diemer | 1981-10-13 |