Issued Patents All Time
Showing 76–85 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4790574 | Apparatus for coupling tubular members | Douglas E. Flemming, Gary J. Rocklitz, Timothy A. Bethke | 1988-12-13 |
| 4676111 | Method and apparatus for sound testing mufflers | Timothy A. Bethke | 1987-06-30 |
| 4637538 | Staple remover | — | 1987-01-20 |
| 4632216 | Muffler apparatus and method for making same | Timothy A. Bethke, Steven D. Schmeichel | 1986-12-30 |
| 4580657 | Integral fluted tube for sound suppression and exhaust ejection | Steven D. Schmeichel, John S. Wiese, Bruce Hoppenstedt, Joanne E. Kleinhenz, David L. Roberts | 1986-04-08 |
| 4558891 | Clamp for exhaust system | Steven D. Schmeichel, Timothy A. Bethke | 1985-12-17 |
| 4368799 | Straight-through flow muffler | — | 1983-01-18 |
| 4359135 | Muffler assembly | David E. Winnes | 1982-11-16 |
| 4267899 | Muffler assembly | David E. Winnes | 1981-05-19 |
| 4183122 | U-bolt clamp assembly | — | 1980-01-15 |