Top Inventors at Multifastener All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Harold A. Ladouceur | 22 |
| 2 | Rudolph R. M. Muller | 19 |
| 3 | Rudolf Muller | 13 |
| #4 | Dale H. Goodsmith | 6 |
| #5 | Takao Takahashi | 6 |
| #6 | Hiroshi Takehara | 5 |
| #7 | Harold T. Woods | 4 |
| #8 | Heinrich Luckhardt, deceased | 4 |
| #9 | Jon M. Smallegan | 4 |
| #10 | John H. Steward | 4 |
| #11 | Wolfgang Luckhardt | 4 |
| #12 | David W. Sickels | 3 |
| #13 | R. M. Muller | 2 |
| #14 | Carl L. Lewis | 1 |
| #15 | David Ballantyne | 1 |
| #16 | Horton Matthews | 1 |
| #17 | Jiri Babej | 1 |
| #18 | Kenneth V. York | 1 |
| #19 | Raymond E. Scott | 1 |
| #20 | Richard F. Caple | 1 |
| #21 | Robert E. Sills | 1 |
| #22 | Robert E. Stewart | 1 |
| #23 | Rudolf Mueller | 1 |
| #24 | Niroshi Takehara | 1 |
| #25 | Frederick W. Heidt | 1 |
| #26 | Alfred A. Bien | 1 |