Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4493203 | Resilient internal mandrel | Robert G. Goekler, Daniel LÜDDEKE | 1985-01-15 |
| 4446713 | Apparatus and method for bending insulated piping | Robert G. Goekler | 1984-05-08 |
| 4359820 | Pipe casing cutter | James P. Adair | 1982-11-23 |
| 4352285 | Hydraulic wedge mandrel | Forrest N. LaRue | 1982-10-05 |