Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7753461 | Refrigerator shelving system | David W. Leistner, James C. Butler, John W. Wissinger | 2010-07-13 |
| 7350886 | Refrigeration storage bin including flip-top cover | Wilco Wessels | 2008-04-01 |
| 7097213 | Latching arrangement for a refrigerator door | James C. Butler | 2006-08-29 |
| 6827410 | Refrigerator door assembly and method of making same | James C. Butler | 2004-12-07 |
| 6158061 | Sanitary toilet with integral water supply and manual flush assembly | David Cameron, Charles L. Sargent | 2000-12-12 |
| 6000771 | RV refrigerator with swinging closure door capable of being opened from both left and right sides | John W. Wissinger, John R. Selina, James C. Butler, David W. Leistner | 1999-12-14 |
| 5875499 | Recreational vehicle toilet with flush nozzle deflector shield | John A. Hoffman, Kenneth Hall, John R. Selina | 1999-03-02 |
| 5746466 | Flush service door for RV | John R. Selina, David Cameron, James M. Byrne, Gerard Cornelis Rijn, Marinus Antonius Ros | 1998-05-05 |
| D390525 | RV door unit | John R. Selina, David Cameron, James M. Byrne, Gerard Cornelis Rijn, Marinus Antonius Ros | 1998-02-10 |
| 5715544 | Toilet with improved flush nozzle | Carrie E. Huffman, John E. Hammond, George Grech | 1998-02-10 |
| 5557810 | Portable toilet with battery operated flush assembly | John R. Selina, James M. Byrne | 1996-09-24 |
| 5318275 | Portable waste holding tank with improved inlet valve assembly | Charles L. Sargent, John A. Hoffman, Kevin B. Chlebek | 1994-06-07 |
| 5247974 | Pneumatic sealing device for waste disposal systems | Charles L. Sargent, George Grech | 1993-09-28 |
| 5073994 | Low water toilet with pulsed flush | Charles L. Sargent, Michael Wolcott | 1991-12-24 |
| 5060320 | Recreational vehicle toilet with foot pedal flush | Charles L. Sargent, David Cameron | 1991-10-29 |
| 5056166 | Self-contained RV sanitary systems | Charles L. Sargent | 1991-10-15 |
| 5010602 | Toilet with pulsed flow of flush water | Charles L. Sargent, Scott I. Biba | 1991-04-30 |
| 4944048 | Self-contained RV sanitary system | Charles L. Sargent | 1990-07-31 |
| 4926508 | Portable toilet with battery operated flush assembly | Charles L. Sargent, Scott I. Biba | 1990-05-22 |
| 4908885 | Seal for self contained sanitary systems | — | 1990-03-20 |
| 4906033 | RV door assembly | Charles L. Sargent | 1990-03-06 |
| 4805660 | Vent structure for flush water holding tank of vehicle toilets | David Cameron | 1989-02-21 |
| 4779650 | Telescoping drain assembly for recreational vehicles | Charles L. Sargent, George Grech | 1988-10-25 |
| 4776631 | Self-contained RV sanitary systems | Charles L. Sargent | 1988-10-11 |
| 4769860 | Portable toilet holding tank spout | Charles L. Sargent, John A. Hoffman, John T. Cameron | 1988-09-13 |