Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7919731 | Stirring hot plate | Curt McFadden, Kenneth Hermsen, James R. Edwards, Kerry W. Leppert, Eric Jackson +3 more | 2011-04-05 |
| 7075040 | Stirring hot plate | Curt McFadden, Kenneth Hermsen, James R. Edwards, Kerry W. Leppert, Eric Jackson +3 more | 2006-07-11 |
| 6486475 | Method and apparatus for determining liquid absorption of aggregate | Eric Garz, Peter O. Lee, Mark D. Lockwood, Jason Schmitt | 2002-11-26 |
| 4332553 | Vacuum firing porcelain furnace | William J. Walsh | 1982-06-01 |