Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10100933 | Auto stop fluid valve | Brandon Bridgeford, David A. Young | 2018-10-16 |
| 6684902 | Dual sensor liquid accumulator | Thomas K. Zinn, Enrique P. Loreto | 2004-02-03 |
| 6394411 | Extractor valve assembly | V. Walter Hafner | 2002-05-28 |
| 6311718 | Activator valve for providing a timed vacuum at an output port | V. Walter Hafner, Enrique P. Loreto | 2001-11-06 |
| 4698860 | Sprayhead with built-in soap system for multi person washfountains | V. Walter Hafner, Keith Marshall | 1987-10-13 |
| 4682533 | Vandal resistant and tamper proof pneumatic push button assembly for moving a volume of fluid | V. Walter Hafner, Keith Marshall | 1987-07-28 |
| 4659059 | Sealed dashpot mechanism for delayed closing plumbing valves | Earl L. Morris, Theodore J. Sally | 1987-04-21 |
| 4630644 | Dual operated metering valve connected to both a hand operated push button and a foot operated push button | V. Walter Hafner, Keith Marshall, Theodore J. Sally | 1986-12-23 |
| 4630638 | Rotating cap, screen and mounting means for protecting air metering valve | V. Walter Hafner, Keith Marshall | 1986-12-23 |
| 4492430 | Security mirror replaceable from pipe chase | Earl L. Morris, V. Walter Hafner | 1985-01-08 |
| 4480163 | Vandal-resistant push button electrical switch assembly | Earl L. Morris, Walter V. Hafner | 1984-10-30 |
| 4453202 | Vandal-resistant light fixture | Earl L. Morris, Theodore J. Sally | 1984-06-05 |