Granted Patent
Utility
US 4,246,301 · App. 06/053,734
Web coater
Inventors:
Robert J. Alheid, Irvin J. Phillips
Patented Case
View Patent ↗
Granted: Jan 20, 1981
Filed: Jul 2, 1979
Inventors
Robert J. Alheid
Irvin J. Phillips
Assignee (at issue)
Beloit Corporation
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.