Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7047892 | Mobile furnace and method of facilitating removal of material from workpieces | — | 2006-05-23 |
| 6932003 | Mobile furnace and method of facilitating removal of material from workpieces | — | 2005-08-23 |
| 6698610 | Triple walled underground storage tank | Robin Berg, John Burwell, Albert F. Dorris | 2004-03-02 |
| 6474249 | Mobile furnace and method of facilitating removal of material from workpieces | — | 2002-11-05 |
| 6398057 | Triple walled underground storage tank | Robin Berg, John Burwell, Albert F. Dorris | 2002-06-04 |
| 6139976 | Article having a superalloy substrate and an enrichment layer placed thereon, and methods of its manufacturing | Norbert Czech, Knut Halberstadt, Adrian Kempster | 2000-10-31 |
| 5720404 | Female-molded underground storage tank and method of making | Robin Berg, John Burwell, Neil Olson | 1998-02-24 |
| 5645231 | Glass choppers | — | 1997-07-08 |
| 4942074 | Carpet tile | Peter W. Bell, David S. Queen | 1990-07-17 |
| 4737221 | Carpet tile production method | Peter W. Bell, David S. Queen | 1988-04-12 |
| 4582554 | Carpet tile production method | Peter W. Bell, David S. Queen | 1986-04-15 |
| 4515210 | Heat exchanger having a plastics membrane | David A. Boiston | 1985-05-07 |