Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D602385 | Weighing machine | Anthony Wise | 2009-10-20 |
| 5575471 | Table tennis apparatus | Stephen W. Robinson | 1996-11-19 |
| 4869555 | Apparatus for recovery of sulfur | John R. Peters, Max E. Ramey, Arturo E. Seyffert, Jack L. Canon, William T. Abercrombie | 1989-09-26 |