Top Inventors at Robroy Industries All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | John Dodds | 5 |
| 2 | Edward A. Madej | 4 |
| 3 | Oscar Zapata | 3 |
| #4 | Gerald Stephani | 2 |
| #5 | J. Joseph Dodds | 2 |
| #6 | Michael Posson | 2 |
| #7 | Donald R. Warr | 1 |
| #8 | James H. Ford | 1 |
| #9 | Joseph A. Schwalbach | 1 |
| #10 | Martin Bremner | 1 |
| #11 | Michael Jackson | 1 |
| #12 | Ramesh Rajagopal | 1 |
| #13 | Steven A. Voelzke | 1 |
| #14 | Terry Henry | 1 |
| #15 | Tim Hsu | 1 |
| #16 | William Boehmer | 1 |
| #17 | John P. Zizan | 1 |
| #18 | Troy S. Cassady | 1 |
| #19 | Amanda Lynn Kessel | 1 |