Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10094158 | Door safety bumper | Daniel A. McRoskey | 2018-10-09 |
| 8950040 | Door jamb injury protector | John W. McRoskey, Daniel A. McRoskey | 2015-02-10 |
| 8595899 | Door jamb injury protector | Daniel A. McRoskey, John W. McRoskey | 2013-12-03 |
| 4901923 | Variable dilution ratio hose-end aspirator sprayer | Paul M. Havlovitz | 1990-02-20 |
| 4778250 | Lightweight vertical panel safety-barricade for streets and highways | Paul M. Havlovitz | 1988-10-18 |