Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7007930 | Dual fuel feed system carburetor | — | 2006-03-07 |
| 6851664 | Self-relieving choke valve system for a combustion engine carburetor | Bryan K. Gangler | 2005-02-08 |
| 6779785 | Self-relieving choke adjustment apparatus | — | 2004-08-24 |
| 6401685 | Carburetor with a fuel shut off solenoid | — | 2002-06-11 |
| 5377650 | Low emission engines | — | 1995-01-03 |
| 5056568 | Automated system for adding multiple fluids to a single container | Aleandro DiGianfilippo, James R. Hitchcock, Robert E. Lewis, Randall A. Zielsdorf, James P. Vos +3 more | 1991-10-15 |
| 4967811 | Automated system for adding multiple fluids to a single container | Aleandro DiGianfilippo, James R. Hitchcock, Robert E. Lewis, Randall A. Zielsdorf, James P. Vos +3 more | 1990-11-06 |
| 4789014 | Automated system for adding multiple fluids to a single container | Aleandro DiGianfilippo, James R. Hitchcock, Robert E. Lewis, Randall A. Zielsdorf, James P. Vos +3 more | 1988-12-06 |