Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8287042 | Shopping cart seat | — | 2012-10-16 |
| 7819467 | Shopping cart seat | — | 2010-10-26 |
| 7766294 | Beverage/cell phone support container | — | 2010-08-03 |
| 7712718 | Support for beverage container and cell phone | — | 2010-05-11 |
| 7311064 | Gas water heater damper/baffle | — | 2007-12-25 |
| 7000572 | Telescopic baffle for water heater | — | 2006-02-21 |
| 6868806 | Vent damper apparatus | — | 2005-03-22 |
| 6560983 | Drink cooler | — | 2003-05-13 |
| 6302063 | Water heater heat trap with pressure relief assembly | — | 2001-10-16 |
| 5845632 | Vent damper including pivot poppet | — | 1998-12-08 |
| 5787846 | Variable flow volume control baffle for water heater | — | 1998-08-04 |
| 5732692 | Vent damper | — | 1998-03-31 |
| 5696861 | Method and apparatus for simultaneously connecting data/signal communication lines and power lines to a data/RF receiver/transmitter | Claude A. S. Hamrick | 1997-12-09 |
| 5682841 | Variable flow volume control baffle and vent damper | Larry K. Acker | 1997-11-04 |
| 5239947 | Vent damper for gas water heater | — | 1993-08-31 |
| 4770160 | Vent damper | — | 1988-09-13 |
| 4386880 | Trailer transporting rail-way car | — | 1983-06-07 |