Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D852594 | Trench shovel head | — | 2019-07-02 |
| 4600515 | Fluid loss control agents for drilling fluids containing divalent cations | Patricia A. Gleason | 1986-07-15 |
| 4517351 | Process for reacting quaternary ammonium monomer in the presence of anionic polymers | Dennis Victor Neigel | 1985-05-14 |
| 4473406 | Cementiferous compositions | Geoffrey Bradley | 1984-09-25 |
| 4455408 | Process for reacting quaternary ammonium monomers in the presence of anionic polymers | Dennis Victor Neigel | 1984-06-19 |
| 4432967 | Contraceptive composition | — | 1984-02-21 |