Top Inventors at Duo-Fast All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Ronald Austin | 8 |
| 2 | Raymond F. Novak | 7 |
| 3 | Bernard W. Geist | 6 |
| #4 | James E. Kerrigan | 5 |
| #5 | Richard H. Doyle | 5 |
| #6 | John R. Nasiatka | 4 |
| #7 | Edmund Frank | 3 |
| #8 | Raimonds Grikis | 3 |
| #9 | Robert J. Meyer | 3 |
| #10 | Ernest F. Schaudek | 2 |
| #11 | Frank R. Potucek | 2 |
| #12 | Allen R. Obergfell | 2 |
| #13 | Chester A. P. Berry, III | 1 |
| #14 | Dale M. Flowers | 1 |
| #15 | Donald M. Dutton | 1 |
| #16 | Edward R. Brandt | 1 |
| #17 | Elmer J. Thorsen, Jr. | 1 |
| #18 | Jeffrey Rees | 1 |
| #19 | John E. McMenamin | 1 |
| #20 | John Rafferty | 1 |
| #21 | Julius Schwartzenberger | 1 |
| #22 | Kenichi Asakawa | 1 |
| #23 | Lee B. Fiori | 1 |
| #24 | Lee Radtke | 1 |
| #25 | Masayuki Fujise | 1 |
| #26 | Robert HOEFLER | 1 |
| #27 | Yoshinao Iwamoto | 1 |
| #28 | Yuichi Shirasaki | 1 |
| #29 | Donald J. Kurr | 1 |
| #30 | Boland R. Albright | 1 |
| #31 | Alfred D. Holman | 1 |