Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6032439 | Apparatus and method of covering a stack of articles | Richard Birkenfeld, Siegfried Kessel | 2000-03-07 |
| 5502947 | Method of and apparatus for shrinking a shrink film cover | Richard Birkenfeld | 1996-04-02 |
| 4258533 | Apparatus for fitting shrunk on-foil hoods into recessed portions of a multi-layered stack | Manfred Grunert | 1981-03-31 |