Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5799453 | Structure and method of fabrication | — | 1998-09-01 |
| 4533300 | High pressure pumping apparatus for semi-fluid material | Wayne L. Read | 1985-08-06 |
| 4432558 | Concrete pumping swivel coupling apparatus with seal | Wayne L. Read | 1984-02-21 |
| 4345883 | High pressure pumping apparatus for semi-fluid material | Wayne L. Read | 1982-08-24 |
| 4311248 | High pressure coupling apparatus | Herbert A. Westerlund | 1982-01-19 |
| 4305607 | Concrete pumping swivel coupling apparatus | Wayne L. Read | 1981-12-15 |
| 4198193 | Automatic wear compensation apparatus for concrete pumping hopper apparatus | James F. Walters | 1980-04-15 |