Granted Patent
Utility
US 4,241,691 · App. 05/938,178
Doctor blade holder
Inventors:
Harold H. Hopfe, Robert H. Mosher, Lawrence R. Sedgeley
Patented Case
View Patent ↗
Granted: Dec 30, 1980
Filed: Aug 30, 1978
Inventors
Harold H. Hopfe
Robert H. Mosher
Lawrence R. Sedgeley
Assignee (at issue)
Monsanto 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.