Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11719053 | Method of using a rod positioning device | — | 2023-08-08 |
| 11125029 | Rod positioning device | — | 2021-09-21 |
| 11067283 | Heating device | David Roy, Norm Roy | 2021-07-20 |
| 10400525 | Rod positioning device | — | 2019-09-03 |
| 10047960 | Heating device | David Roy, Norm Roy | 2018-08-14 |
| 9227192 | Chipper striker assembly | David Roy, Norm Roy | 2016-01-05 |
| 9095854 | Chipper striker assembly | David Roy, Norm Roy | 2015-08-04 |
| 8178795 | Method for retrofitting air plenum grommets | — | 2012-05-15 |
| 6568026 | Portable back pack vacuum | Lawrence Roy | 2003-05-27 |
| 6401866 | Machine for leveling a ladder on an uneven surface | — | 2002-06-11 |
| 4561312 | Turbine for a multijet liquid flow meter | — | 1985-12-31 |