Top Inventors at Holophane All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Robert L. Ewing | 23 |
| 2 | Herbert A. Fouke | 19 |
| 3 | Peter A. Koloski | 12 |
| #4 | Bonnie J. Brohard | 10 |
| #5 | Richard A. Peterson, Jr. | 10 |
| #6 | David G. Meredith | 8 |
| #7 | William W. Belisle | 6 |
| #8 | Larry R. Armstrong | 5 |
| #9 | Douglas S. Hammond | 4 |
| #10 | John C. McCartney | 4 |
| #11 | Robert J. Hayes | 4 |
| #12 | Spencer Murrell | 4 |
| #13 | Gregory J. Subisak | 3 |
| #14 | Richard J. Malecha | 3 |
| #15 | James S. Hughes | 2 |
| #16 | Mark Penley Boomgaarden | 2 |
| #17 | Paolo E. Minissi | 2 |
| #18 | Rick Martin Kelly | 2 |
| #19 | Darl E. Billingsley | 1 |
| #20 | Daniel Goraguer | 1 |
| #21 | David W. Roberts | 1 |
| #22 | Donald N. Colangelo | 1 |
| #23 | Francois Leclercq | 1 |
| #24 | Harold T. Gruber | 1 |
| #25 | Herbert Arnold Odle | 1 |
| #26 | Ira J. Pitel | 1 |
| #27 | James E. Denney | 1 |
| #28 | Jack L. Ries | 1 |
| #29 | Joshua M. Freedman | 1 |
| #30 | John Green | 1 |
| #31 | Mark Frederick Keller | 1 |
| #32 | Patrick Lamy | 1 |
| #33 | Patrick Muzard | 1 |
| #34 | Robert Catone | 1 |
| #35 | Robert D. Ewing | 1 |
| #36 | Robert H. Peery, Jr. | 1 |
| #37 | Robert Dale Zeller | 1 |
| #38 | Arthur V. Clary | 1 |