Granted Patent
Utility
US 4,794,480 · App. 06/854,130
Bernoulli plate in cartridge
Inventors:
David E. Jones, Randall C. Bauck, Robert D. Freeman
Patented Case
View Patent ↗
Granted: Dec 27, 1988
Filed: Apr 21, 1986
Inventors
David E. Jones
Randall C. Bauck
Robert D. Freeman
Assignee (at issue)
IO-Mega Holding 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.