Granted Patent
Utility
US 4,455,190 · App. 06/495,301
Web splicer
Inventors:
Peter E. Bianchetto, John H. Frohock
Patented Case
View Patent ↗
Granted: Jun 19, 1984
Filed: Apr 20, 1983
Inventors
Peter E. Bianchetto
John H. Frohock
Assignee (at issue)
Butler Automatic, Inc.
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.