Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9328466 | Integrated carriage fogging system for concrete pavers | John C. Sweeney | 2016-05-03 |
| 8834064 | Integrated carriage fogging system for concrete pavers | John C. Sweeney | 2014-09-16 |
| 5492432 | Concrete vibrating machine | Jerry Chaon, Ewald R. Ulmer | 1996-02-20 |
| 5388927 | Raiseable pan drag apparatus | Ewald R. Ulmer | 1995-02-14 |