Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6534189 | Uniaxially shrinkable biaxially oriented polypropylene film and method for use as tobacco pack overwrap | Donald J. Burns, David A. Liestman, Barry C. Rice, Lajos E. Keller | 2003-03-18 |
| 5691043 | Uniaxially shrinkable biaxially oriented polypropylene film and its method of preparation | Lajos E. Keller | 1997-11-25 |