Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6565644 | Micro-encapsulated crack resistant cement | William F. Kepler | 2003-05-20 |
| 6541106 | Hydrophilic polyurethane impregnated rubber for sealing water leaks | William F. Kepler, Alice I. Comer | 2003-04-01 |