Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10724313 | Mobile drilling fluid plant | Piper Shawn Walker, Lawrence LePere, James Andrew Finkle, Ron Crawford, Ryllee Tettleton +1 more | 2020-07-28 |
| 10408002 | Mobile drilling fluid plant | Piper Shawn Walker, Lawrence LePere, James Andrew Finkle, Ron Crawford, Ryllee Tettleton +1 more | 2019-09-10 |
| 10081993 | Mobile drilling fluid plant | Piper Shawn Walker, Lawrence LePere, James Andrew Finkle, Ron Crawford, Ryllee Tettleton +1 more | 2018-09-25 |
| 9711900 | Electrical outlet system | — | 2017-07-18 |
| 6716098 | Coin pick up wheels | Roy Allan Leo Austin, Christopher D. Brown, Andrew John Drysdale | 2004-04-06 |
| 5423398 | Mobile support device for window washers and the like | — | 1995-06-13 |
| 5240099 | Coin receiving and validation apparatus | Edward L. Teichleman | 1993-08-31 |
| 5224579 | Vault security and identification system | — | 1993-07-06 |
| 5139172 | Bottom discharge dispenser with flow control for fluent laundry products and the like | — | 1992-08-18 |