Patents per Year
Top Inventors at Qonaar All Time
Showing 1–10 of 10 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Andrew L. Pester | 1 |
| 1 | Arthur S. Zerfahs | 1 |
| 1 | Carl M. Stern | 1 |
| 1 | G. Robert Oslin | 1 |
| 1 | Govind Shah | 1 |
| 1 | John Glinka | 1 |
| 1 | John W. Van Horn | 1 |
| 1 | Larry E. Zack | 1 |
| 1 | Robert R. Diekhoff | 1 |
| 1 | Clarence Seamans | 1 |
Most Valuable Patents
| Patent | Est. Value | Year |
|---|---|---|
| Fare collection apparatus | $44K | 1980 |