Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8082630 | Door hinge | Glenn R. Sprague | 2011-12-27 |
| 5889217 | Process and apparatus for obtaining samples of liquid and gas from soil | Joseph Rossabi, Christopher P. May, Bradley E. Pemberton, Jim Shinn | 1999-03-30 |