Top Inventors at Roberts Systems All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Claude E. Monsees | 8 |
| 2 | John T. Roberts | 7 |
| 3 | Larry J. Mattson | 6 |
| #4 | Philip S. LaChapelle | 5 |
| #5 | William Z. Vanhook | 4 |
| #6 | Danny R. Williams | 3 |
| #7 | Jimmy R. Bridges | 3 |
| #8 | Philip L. Reid | 3 |
| #9 | John A. Walton | 2 |
| #10 | Phillip S. LaChapelle | 2 |
| #11 | Ralph S. Goldstein | 2 |
| #12 | J. Richard Howard | 1 |
| #13 | James S. Angus | 1 |
| #14 | John T. Thomas | 1 |
| #15 | Ronald O. Simpson | 1 |
| #16 | Victor Juchymenko | 1 |
| #17 | Philip S. LaChappell | 1 |
| #18 | Les J. Kanna | 1 |
| #19 | Andrew J. Laczynski | 1 |