Showing 1–15 of 15 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Patrick Joseph Arthur Grams | Mertec | 65 |
| 2 | Steven A. Bruns | May-Wes Mfg. | 24 |
| 3 | Mathew Allan Haugen | Invacare | 4 |
| #4 | Ronald W. Wiseheart | Communications Systems | 3 |
| #4 | Matthew Haugen | Altimate Medical Holdings | 3 |
| #6 | Ronald L. Fredrickson | Communications Systems | 2 |
| #6 | Matt Haugen | Altimate Medical Holdings | 2 |
| #8 | Curtis A. Sampson | Communications Systems | 1 |
| #8 | Walter R. Harvey | — | 1 |
| #8 | Steve A. Bruns | — | 1 |
| #8 | Chad M. Paulson | Communications Systems | 1 |
| #8 | Ronald J. Klawitter | — | 1 |
| #8 | Adam A. Krzmarzick | 3M | 1 |
| #8 | Gordon R. Cunningham | Unknown | 1 |
| #8 | Raymond J. Frericks | Westinghouse Electric | 1 |
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