Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8636026 | Backflow preventing apparatus for water closets | Stephanie C. Kelly, William Harley Frankenfield | 2014-01-28 |
| 7789104 | Backflow preventing apparatus for water closets | Stephanie C. Kelly, William Harley Frankenfield | 2010-09-07 |
| 5771877 | Field barbecue apparatus | — | 1998-06-30 |
| 5002036 | Field barbecue apparatus | — | 1991-03-26 |
| 4214317 | Protective apparel | — | 1980-07-29 |