Top Inventors at Xantech All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Michael S. Robbins | 5 |
| 2 | Herbert E. Seymour | 4 |
| 3 | Charles J. Ortega | 2 |
| #4 | Charles R. Smiley | 1 |
| #5 | Philip Sacks | 1 |
| #6 | Richard May | 1 |
| #7 | Roger A. Marin | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Michael S. Robbins | 5 |
| 2 | Herbert E. Seymour | 4 |
| 3 | Charles J. Ortega | 2 |
| #4 | Charles R. Smiley | 1 |
| #5 | Philip Sacks | 1 |
| #6 | Richard May | 1 |
| #7 | Roger A. Marin | 1 |