Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8379190 | Resonant scanner for 3D mapping | Matthew A. Edwards, Steven F. Griffin, Michael S. Salisbury | 2013-02-19 |
| 6750829 | Outdoor changeable message sign | Eugene Luoma, James L. Blesener | 2004-06-15 |
| RE38238 | Method for treating wastewater sludge | Jeffrey C. Burnham | 2003-08-26 |
| 6414650 | Sign system with field changeable screen size and message | Timothy J. Nicholson, Gordon M. Melby, Steve J. McHenry, Paul C. Freeberg | 2002-07-02 |
| 6150996 | Changeable message sign system with reconfigurable sign screen | Timothy J. Nicholson, Gordon M. Melby, Steve J. McHenry, Paul C. Freeberg | 2000-11-21 |
| 5213464 | Method and apparatus for dispensing and retrieving highway warning markers | Timothy J. Nicholson, Eugene Luoma | 1993-05-25 |
| 5187993 | Actuator for remote control | Timothy J. Nicholson | 1993-02-23 |
| 4902431 | Method for treating wastewater sludge | Jeffrey C. Burnham | 1990-02-20 |
| 4781842 | Method of treating wastewater sludge | — | 1988-11-01 |
| 4632777 | Cathodic protection coating composition | — | 1986-12-30 |
| 4623434 | Method of determining cathodic corrosion and displaying | Douglas W. Pressley | 1986-11-18 |
| 4584530 | Electrolyte potential measuring apparatus | — | 1986-04-22 |
| 4554002 | Beneficiating waste sludges for agricultural use and product made thereby | — | 1985-11-19 |
| 4432800 | Beneficiating kiln dusts utilized in pozzolanic reactions | William A. Kneller | 1984-02-21 |
| RE30943 | Stabilized mixture | — | 1982-05-25 |