| 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 |