Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889428 | Rotary mill | — | 1989-12-26 |
| 4552463 | Method and apparatus for producing a colloidal mixture | — | 1985-11-12 |
| 4398842 | Method of overlay and sandwich formation of pervious concrete | — | 1983-08-16 |
| 4302127 | Applicator and distributor assembly | — | 1981-11-24 |
| 4225247 | Mixing and agitating device | — | 1980-09-30 |
| 4225357 | Method of producing and distributing a pervious concrete product | — | 1980-09-30 |