Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854714 | Blender vehicle apparatus | Gail F. Davis, Robert L. Baker, Dale E. Bragg | 1989-08-08 |
| 4850701 | Skid-mounted self-leveling mixer apparatus | Gail F. Davis, Lonnie R. Walker | 1989-07-25 |
| 4850750 | Integrated blending control system | Randall B. Cogbill, Timothy James Dodd, Paul W. Heilman, Daryl L. Heronemus, Leslie R. Sears, III +7 more | 1989-07-25 |
| 4802141 | Self-leveling mixer with mechanical agitation | Gail F. Davis | 1989-01-31 |