Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7568289 | Handheld optical distance measurement device | Aragon Burlingham, Calvin Chan, Mark Della Bona, Jeffery Fincher, Daniel Lester Hill +2 more | 2009-08-04 |
| 7170076 | Tools with orientation detection | Christopher Tacklind, Lance Reisman, Aragon Burlingham, Daniel T. Adams, Eugene F. Duval +3 more | 2007-01-30 |
| 6878954 | Detecting tool orientation, alignment, depth, and leveling | Christopher Tacklind, Lance Reisman, Aragon Burlingham, Daniel T. Adams, Eugene F. Duval +3 more | 2005-04-12 |
| 6741343 | Level with angle and distance measurement apparatus | David C. Shafer, William R. Burnett | 2004-05-25 |
| 6657788 | Methods and apparatus for laser device adjustment | Christopher Tacklind, William Carlsen, Eugene F. Duval, Thomas Zimmerman | 2003-12-02 |
| 6542304 | Laser beam device with apertured reflective element | Christopher Tacklind, William Carlsen, Eugene F. Duval, Thomas Zimmerman | 2003-04-01 |
| 6459483 | Level with angle and distance measurement apparatus | David C. Shafer, William R. Burnett | 2002-10-01 |
| 5903345 | Remotely positionable gravity oriented laser scanner | Eugene F. Duval, Daniel T. Adams | 1999-05-11 |
| 5720112 | Asymmetrical plumb bob and method | Daniel T. Adams, John Littleboy | 1998-02-24 |
| 5680208 | Gravity oriented laser scanner | Eugene F. Duval, Gregory L. Richards, Mitchell C. Barham, Daniel T. Adams, William A. Scott +1 more | 1997-10-21 |
| 5335190 | Inclinometer which is rescalable through the use of multiple angles | Robert Nagle | 1994-08-02 |
| 5134780 | Inclinometer with rail having a hollow I-shaped cross-section | Edwin A. Seipp, III, Kevin J. Reeder, Blake R. Wharton, Brian J. Bayley, Jay Wilson | 1992-08-04 |
| D308644 | Carpenter level | Ronald Wisnia | 1990-06-19 |
| 4912662 | Inclinometer | Donald G. Green, Robert Nagle | 1990-03-27 |