Top Inventors at Barnhardt Manufacturing All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Diana J. Roloff | 2 |
| 2 | Hiram Charles Allen, Jr. | 2 |
| 3 | Richard L. Rose | 2 |
| #4 | Richard T. Stoehr | 2 |
| #5 | Steven T. Farmer | 2 |
| #6 | Carole Lundberg Reaves | 1 |
| #7 | David J. Spinks | 1 |
| #8 | Jack D. Bankier | 1 |
| #9 | Larry D. Carter | 1 |
| #10 | Michael D. Noblitt | 1 |
| #11 | Michael D. Porter | 1 |
| #12 | Ralph G. Barnard | 1 |