Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7836856 | Water heater with condensing flue | Michael B. Steinhafel | 2010-11-23 |
| 5291853 | Top unloaded milking claw | Gary C. Steingraber, Paul D. Thompson | 1994-03-08 |
| 4481906 | Valve for use in a suction line | Gary C. Steingraber | 1984-11-13 |