Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5435162 | Zone heating apparatus | Paul D. Andreson, Richard E. Couch, Kevin M. Jacobs, Richard R. Kazmierzak, Joel C. Schweisberger | 1995-07-25 |
| 5113677 | Apparatus and method for selectively forming a thickened edge on a plate of formable material | Dennis L. Blunier, Phillip J. Shankwitz, Paul D. Andreson, Richard R. Kazmierzak, Joel C. Schweisberger | 1992-05-19 |
| 5024074 | Apparatus and method for selectively forming a thickened edge on a plate of formable material | Dennis L. Blunier, Phillip J. Shankwitz, Ronald C. Bowar, Dwight E. Aussieker | 1991-06-18 |
| 4980961 | Method of forming a double upset tube assembly | — | 1991-01-01 |
| 4934038 | Method and apparatus for tube expansion | — | 1990-06-19 |