Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7793463 | Plantation style security shutters | Bradley D. Carlson, Jeffrey C. Heidel | 2010-09-14 |
| D575137 | Blank key blade | Bradley D. Carlson, Jeffrey C. Heidel | 2008-08-19 |
| 7114894 | Key cutting machine and method | Michael Mueller | 2006-10-03 |
| 6082580 | Article dispensing apparatus | Michael Mueller | 2000-07-04 |
| 6059495 | Engraving apparatus | Michael Mueller, Bradley D. Carlson | 2000-05-09 |
| 5617323 | Key identifier method and apparatus | Bradley D. Carlson, Jeffrey C. Heidel | 1997-04-01 |
| 5511320 | Angle measurement device employing angle sensor and electronics with lead circuitry integrally formed on a printed circuit board | Jeffrey C. Heidel, Bradley D. Carlson | 1996-04-30 |
| 5381604 | Angle measurement device employing angle sensor and electronics integrally formed on a printed circuit board | Jeffrey C. Heidel, Bradley D. Carlson | 1995-01-17 |
| 5237753 | Capacitive gravity sensor and inclinometer | Bradley D. Carlson, Harold L. Swartz | 1993-08-24 |
| 5180986 | Two axis capacitive inclination sensor | Harold L. Swartz, Jeffrey C. Heidel, Bradley D. Carlson | 1993-01-19 |
| 5079847 | Two axis inclination sensor | Harold L. Swartz, Jeffrey C. Heidel, Bradley D. Carlson | 1992-01-14 |
| 4920797 | Fluid level sensor | Harold L. Swartz | 1990-05-01 |
| 4754276 | System to display sawblade angle and height | Bradley D. Carlson, William J. McMahon | 1988-06-28 |
| 4637619 | Concentric seal rings | — | 1987-01-20 |