Granted Patent
Utility
US 4,130,224 · App. 05/730,834
Viscous liquid dispenser
Inventors:
Richard O. Norman, John R. Frassanito
Patented Case
View Patent ↗
Granted: Dec 19, 1978
Filed: Oct 8, 1976
Inventors
Richard O. Norman
John R. Frassanito
Assignee (at issue)
Envair, Inc.
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.