Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7351774 | Silicon-modified crumb rubber composition | K. Prasanna U. Perera, Dennis W. Smith, J. Cal Moreland | 2008-04-01 |
| D361319 | Vehicular step | Robert J. Orth, Sr. | 1995-08-15 |
| D340905 | Step for vehicle | Robert J. Orth, Sr. | 1993-11-02 |