Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9939241 | Coated substrate systems and methods | Jean Ann Skiles, Heather Drieling, John R. McAllister, Tom Murphy, James Wiswall | 2018-04-10 |
| 5085591 | Safety plug with prong locks | Shirley J. Warren | 1992-02-04 |
| 5082450 | Safety plug with ground lock and prong locks | Shirley J. Warren | 1992-01-21 |