Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12207644 | Insect barrier | Keith W. Donaldson, Nancy Harper | 2025-01-28 |
| 11291199 | Insect barrier | Keith W. Donaldson, Nancy Harper | 2022-04-05 |
| 6541988 | Circuit board test fixture with electrostatic discharge (ESD) protection | George Theodore Dangelmayer, Timothy Lloyd Pernell | 2003-04-01 |
| 5691875 | Systems for preventing electrostatic accumulation | George Theodore Dangelmayer, Robert G. Renninger, II | 1997-11-25 |