Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9188364 | Parabolic solar energy collector apparatus | Dale E. Polk, Jr. | 2015-11-17 |
| 9168690 | Expanded compression molding of composite plastics | — | 2015-10-27 |
| 8192664 | Thermoplastic molding process and apparatus | Dale E. Polk, Jr. | 2012-06-05 |
| 8070471 | Gravity injection of molding material for compression molding and related methods | — | 2011-12-06 |
| 7931845 | Gravity injection of molding material for compression molding and related methods | — | 2011-04-26 |
| 7208219 | Thermoplastic molding process and apparatus | Dale Polk | 2007-04-24 |
| 6900547 | Thermoplastic molding process and apparatus | Dale E. Polk Jr. | 2005-05-31 |
| 6869558 | Thermoplastic molding process and apparatus | Dale E. Polk, Jr. | 2005-03-22 |