Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5049019 | Methods of making containers | Josef T. Franek, Paul Porucznik, Peter H. Serby | 1991-09-17 |
| 4626157 | Methods of making containers | Josef T. Franek, Paul Porucznik, Peter H. Serby | 1986-12-02 |
| 4423823 | Containers | Josef T. Franek, Paul Porucznik, Peter H. Serby | 1984-01-03 |