Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687704 | Portable grill | Allan C. Lerch, John H. Waugh, Calvin F. Sprinkle, Richard H. Bird | 1997-11-18 |
| D379900 | Portable grill | Allan C. Lerch, Calvin F. Sprinkle, Richard H. Bird | 1997-06-17 |
| 5425352 | Portable grill | Allan C. Lerch, Calvin F. Sprinkle, Richard H. Bird | 1995-06-20 |