Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D821810 | Refractory oven for a refractory cooking device | Timothy M. Case, David J. Miller | 2018-07-03 |
| D600640 | Extension battery | David Douglass, Peter Madnick | 2009-09-22 |
| 5551336 | Apparatus for loading and compacting waste material | Dennis B. Griffin, Don F. Greis | 1996-09-03 |