Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8661838 | Central vacuum cooling plant | — | 2014-03-04 |
| 8123506 | Rotary sliding vane compressor with a secondary compressed fluid inlet | David Waage | 2012-02-28 |
| 7757903 | Feeder assembly for bulk solids | Robert H. Lilly | 2010-07-20 |
| 5904270 | Material loader and spreader attachment | — | 1999-05-18 |