Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5081734 | Floor scraping machine | Reginald E. Sandford | 1992-01-21 |
| 4276207 | Pigment agglomerate coloring system | David Lester | 1981-06-30 |
| 4273145 | High molecular weight vinyl acrylic combined with low molecular weight vinyl acetate-maleate for controlled permanent tack and method of making same | David Lester | 1981-06-16 |