Patents per Year
Top Inventors at American Ingenuity All Time
Showing 1–6 of 6 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Andrew B. Spencer | 4 |
| 2 | Bryan David Marsh | 2 |
| 2 | Jack Schwartz | 2 |
| 2 | Richard J. Guastamachio | 2 |
| 2 | Ronald Safko | 2 |
| #6 | Clifford S. Ferguson | 1 |
Showing 1–6 of 6 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Andrew B. Spencer | 4 |
| 2 | Bryan David Marsh | 2 |
| 2 | Jack Schwartz | 2 |
| 2 | Richard J. Guastamachio | 2 |
| 2 | Ronald Safko | 2 |
| #6 | Clifford S. Ferguson | 1 |