Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6000771 | RV refrigerator with swinging closure door capable of being opened from both left and right sides | John W. Wissinger, James C. Butler, David W. Leistner, John M. Antos | 1999-12-14 |
| 5946929 | RV refrigerator with combustion seal and heat deflector | David W. Leistner | 1999-09-07 |
| 5875499 | Recreational vehicle toilet with flush nozzle deflector shield | John A. Hoffman, Kenneth Hall, John M. Antos | 1999-03-02 |
| 5746466 | Flush service door for RV | John M. Antos, David Cameron, James M. Byrne, Gerard Cornelis Rijn, Marinus Antonius Ros | 1998-05-05 |
| D390525 | RV door unit | John M. Antos, David Cameron, James M. Byrne, Gerard Cornelis Rijn, Marinus Antonius Ros | 1998-02-10 |
| 5557810 | Portable toilet with battery operated flush assembly | John M. Antos, James M. Byrne | 1996-09-24 |
| 4751753 | Portable toilet enclosure | Charles L. Sargent, David Cameron | 1988-06-21 |
| 4712255 | Portable toilet with valve actuating handle that automatically locks the valve in closed position during emptying of the holding tank | John M. Antos | 1987-12-15 |
| 4703785 | Tank fill assist | John M. Antos | 1987-11-03 |
| D287937 | Bottle | Charles L. Sargent, Michael W. Larime | 1987-01-27 |
| 4570273 | Portable toilet pourspout | John M. Antos | 1986-02-18 |