Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7794103 | Parking space barrier block with photovoltaic illumination | — | 2010-09-14 |
| 5447254 | Fluid dispenser with shut-off drip protection | Kenneth Jeffrey, George O. Porter | 1995-09-05 |
| 5207352 | Method and apparatus for dispensing high viscosity fluid materials | George O. Porter, Mihail Popesco | 1993-05-04 |
| 5089190 | Method and apparatus for hollow core extrusion of high viscosity materials | Larry C. Trevathan, James C. Smith | 1992-02-18 |
| 4667850 | Thermoplastic grid melter | Charles H. Scholl, Theo M. Hadzimihalis | 1987-05-26 |