Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6106186 | Modular portable stage system | Michael D. Jines, Grant S. Quam | 2000-08-22 |
| 5848501 | Modular portable system | Michael D. Jines, Grant S. Quam | 1998-12-15 |
| 5791304 | Cylinder wall fuel injection system for cross-scavenged, two-cycle combustion engine | — | 1998-08-11 |
| 5762040 | Cylinder wall fuel injection system for loop-scavenged, two-cycle internal combustion engine | Leonard S. Hummel | 1998-06-09 |
| 4947807 | Internal combustion engine | John D. Flaig, Gene F. Baltz, Henry C. Billingsley, David Hartke, James A. Holcomb +1 more | 1990-08-14 |
| 4937927 | Method of joining a sleeve into a cylinder opening of a reciprocating piston | — | 1990-07-03 |
| 4757792 | Internal combustion engine | John D. Flaig, Gene F. Baltz, Henry C. Billingsley, David J. Hartke, James A. Holcomb +1 more | 1988-07-19 |
| 4682288 | Electronic control for totaling denominations of several countries | John G. Brome | 1987-07-21 |
| 4607649 | Coin sorter | John H. Winkelman | 1986-08-26 |
| 4586522 | Coin handling and sorting | John H. Winkelman, Thomas P. Adams | 1986-05-06 |
| 4559908 | Engine block with unitarily cast exhaust gas passages and water jacket cavity | John D. Flaig | 1985-12-24 |
| 4195660 | Reed valve | Richard A. Wlezien | 1980-04-01 |