Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6016846 | Pipe insulation sleeve | Gerald H. Knittel, Kasper J. Niemira | 2000-01-25 |
| 5964252 | Adhesive closure system with an abridged release liner | George R. Simmons, Gerald H. Knittel | 1999-10-12 |
| 5783274 | Pressure sensitive adhesive closure system for foam insulation | Gerald H. Knittel, Paula J. Butcher | 1998-07-21 |