Granted Patent
Utility
US 4,314,396 · App. 06/088,972
Separable blade agitator assembly and disassembly method
Inventors:
Erwin J. Nunlist, Howard G. Coleman, Edward S. Harrison
Patented Case
View Patent ↗
Granted: Feb 9, 1982
Filed: Oct 19, 1979
Inventors
Erwin J. Nunlist
Howard G. Coleman
Edward S. Harrison
Assignee (at issue)
Sybron 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.