Top Inventors at Hadley Products All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Curtis A. Trudeau | 10 |
| 2 | Dick E. Winter | 7 |
| 3 | Robert Sorum | 7 |
| #4 | Gary L. Schafer | 6 |
| #5 | Robert C. Dattilo | 3 |
| #6 | David N. Sizemore | 2 |
| #7 | Edward A. Gahan | 2 |
| #8 | Jaret M. Shawl | 2 |
| #9 | Karl H. Hanft | 2 |
| #10 | Kirk A. Lilly | 2 |
| #11 | Mark W. Lempke | 2 |
| #12 | Christopher M. Dutton | 1 |
| #13 | Dennis S. Shimmell, Sr. | 1 |
| #14 | Henry M. Anderson, Jr. | 1 |
| #15 | Mark W. Pierce | 1 |
| #16 | Sean Seaver | 1 |