Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6066262 | Concrete mix water | Freda M. Bauer | 2000-05-23 |
| 5997633 | Composition for and method of pumping concrete | — | 1999-12-07 |
| 5885478 | Concrete mix water | Freda M. Bauer | 1999-03-23 |
| 5683503 | Composition for and method of pumping concrete | — | 1997-11-04 |
| 5587012 | Composition for and method of pumping concrete | — | 1996-12-24 |
| 5443636 | Composition for and method of pumping concrete | — | 1995-08-22 |