Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12060702 | Accumulator assembly | Thomas K. Zinn | 2024-08-13 |
| 10968614 | Accumulator for vacuum drainage system | Thomas K. Zinn | 2021-04-06 |
| 10288189 | Pneumatic controller | Thomas K. Zinn, Ronald T. Hahn | 2019-05-14 |
| 10054233 | Tubular diaphragm | Neil Cletus Levers, Thomas K. Zinn | 2018-08-21 |
| 9435442 | Tubular diaphragm | Neil Cletus Levers, Thomas K. Zinn | 2016-09-06 |
| D545607 | Oval fountain | William K. Clark, Thomas M. Huber, David A. Young | 2007-07-03 |
| D537150 | Square lavatory | Donald E. Morris | 2007-02-20 |
| D504264 | Diaper changing station | Randall Gallob | 2005-04-26 |
| 6687922 | Stainless steel toilet resistant to corrosion by sea water | Keith Marshall, Darryl M. Boeltl | 2004-02-10 |
| D451986 | Lay down tub | Keith Marshall | 2001-12-11 |
| D433743 | One-piece stainless steel pedestal wash basin | Keith Marshall | 2000-11-14 |