Granted Patent
Utility
US 4,416,398 · App. 06/347,887
Variable spray overcap aerosol assembly
Inventor:
Michael G. Knickerbocker
Patented Case
View Patent ↗
Granted: Nov 22, 1983
Filed: Feb 11, 1982
Inventor
Michael G. Knickerbocker
Assignee (at issue)
Seaquist Valve Co., Div. of Pittway Corp.
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.