Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7497021 | Multi-axis bubble vial device | Robert M. Perchak | 2009-03-03 |
| 7155835 | Self-leveling laser alignment tool and method thereof which compensates for material stiffness of an included pendulum | Jim Hayes | 2007-01-02 |
| 7073269 | Self-leveling laser alignment tool and method thereof | — | 2006-07-11 |
| 7032318 | Self-leveling laser alignment tool and method thereof which compensates for material stiffness of an included pendulum | Jim Hayes | 2006-04-25 |