Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687704 | Portable grill | John H. Waugh, Ernie Gillam, Calvin F. Sprinkle, Richard H. Bird | 1997-11-18 |
| D379900 | Portable grill | Ernie Gillam, Calvin F. Sprinkle, Richard H. Bird | 1997-06-17 |