Granted Patent
Utility
US 4,917,320 · App. 06/527,227
Apparatus and method for reeling up strips
Inventors:
Wilheim F. Lauener, Rolf Wurgler
Patented Case
View Patent ↗
Granted: Apr 17, 1990
Filed: Aug 29, 1983
Inventors
Wilheim F. Lauener
Rolf Wurgler
Assignee (at issue)
Lauener Engineering, Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.