Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4753220 | Direct contact water heater | William C. Lutzen, Gerald A. Roszak | 1988-06-28 |
| D292732 | Pedestal lavatory | Jon G. Gates, Paul P. Kolada | 1987-11-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4753220 | Direct contact water heater | William C. Lutzen, Gerald A. Roszak | 1988-06-28 |
| D292732 | Pedestal lavatory | Jon G. Gates, Paul P. Kolada | 1987-11-10 |