Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5288453 | Method for forming double walled integral hinge members in blowmolded plastic articles | Mark M. Rutenbeck | 1994-02-22 |
| D303216 | Closure clip for bag of comestibles or the like | Ronald J. Hoffman, Francis R. Groth | 1989-09-05 |
| D302232 | Bottle cap opener | Ronald J. Hoffman | 1989-07-18 |
| 4494779 | Connector fitting for electrical box | Richard J. Borsh | 1985-01-22 |
| 4443031 | Connector fitting for connecting corrugated conduit sections | Richard J. Borsh, Harold T. Pate | 1984-04-17 |