Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6533254 | Carburetor fuel pump | Timothy K. Grifka, Bradley D. Hilbig, Paul S. Learman | 2003-03-18 |
| 6427646 | Small engine fuel injection system | William E. Galka, Dale P. Kus, Kevin L. Williams | 2002-08-06 |
| 6394426 | Engine dual fuel supply apparatus | William E. Galka, Joseph M. Graham, Peter P. Kuperus, Ronald H. Roche | 2002-05-28 |