Granted Patent
Utility
US 4,241,127 · App. 05/968,140
Starting tail for film rolls
Inventors:
Lloyd E. Lefevre, Mark A. Wegenka
Patented Case
View Patent ↗
Granted: Dec 23, 1980
Filed: Dec 11, 1978
Inventors
Lloyd E. Lefevre
Mark A. Wegenka
Assignee (at issue)
THE DOW CHEMICAL COMPANY
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.