Granted Patent
Utility
US 5,800,765 · App. 08/617,618
Double doctor blades
Inventor:
Rexford H. Bradt
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Mar 19, 1996
Inventor
Rexford H. Bradt
Assignee (at issue)
Materials Research Innovations 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.