Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6378577 | Carrier convertible from a sling carried vessel to a scoop and bag filler | Matthew Hain Piner, James Earl Schiller, Jeremy L. Ramirez | 2002-04-30 |
| D440729 | Sand bagging device | Matthew Hain Piner, James Earl Schiller, Jeremy J. Ramirez | 2001-04-17 |