Granted Patent
Utility
US 4,432,166 · App. 06/324,778
Trimming or sealing strips
Inventor:
Erich Weimar
Patented Case
View Patent ↗
Granted: Feb 21, 1984
Filed: Nov 24, 1981
Inventor
Erich Weimar
Assignee (at issue)
Draftex Development A.G.
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.