Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7839290 | Sonic building rescue beacon | David Welford Chidakel, William H. Groves, Jr., Michael E. Beach | 2010-11-23 |
| 7517221 | Vertical extender for an electrical outlet which protects pets and children from shock hazards | David Welford Chidakel, William H. Groves, Jr., Michael E. Beach | 2009-04-14 |
| 4436806 | Method and apparatus for making printed circuit boards | Francis J. Rendulic, Robert K. Trasavage | 1984-03-13 |
| 4374076 | Method for making cast epoxy resin bodies and epoxy formulation therefor | James E. Stephan, John A. Elverum | 1983-02-15 |
| 4291118 | Relief imaging liquids | Robert K. Trasavage | 1981-09-22 |