Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D410147 | Scratch brush handle | Christopher B. Houghton | 1999-05-25 |
| D405960 | Scratch brush handle | Christopher B. Houghton | 1999-02-23 |
| 5809942 | Pool and spa water heater | William M. Kralovec | 1998-09-22 |
| D397191 | Pool and spa water heater | William M. Kralovec | 1998-08-18 |