Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886606 | Method of purifying condensate waters for steam regenerating equipment | David H. Clemens, Marvin J. Hurwitz | 1989-12-12 |
| 4794633 | Mass polling system | William F. Borbas | 1988-12-27 |
| 4589249 | Mowing apparatus | Wesley Walker, Dean M. Walker | 1986-05-20 |
| D275988 | Ceiling air diffuser or the like | — | 1984-10-16 |
| 4431783 | Vinyl chloride polymerization in reactor coated with build-up suppressant product | John Stuart-Webb | 1984-02-14 |
| 4343366 | Rotor tiller with reversely directed plow | — | 1982-08-10 |