Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993670 | Medical pad, and method for making and using | Richard M. Simonson, Theodore McAllister, Daniel White | 2011-08-09 |
| 6512090 | Asphalt emulsion containing solidified pyrolytic wood tar oil | Norman Leroy Kennedy | 2003-01-28 |
| 5702521 | Air-entrained concrete with lignin-containing air-entraining agent | — | 1997-12-30 |
| 5683497 | Asphalt emulsion with lignin-containing emulsifier | — | 1997-11-04 |
| 5656733 | Lignin-containing resinous compositions | — | 1997-08-12 |
| 5132399 | Color of tall oil fractions by treating soap skimmings | Charles M. MacDonald | 1992-07-21 |