Granted Patent
Utility
US 4,723,694 · App. 06/903,263
Fluid dispensing valve mechanism and assembly
Inventor:
Donald J. Sykes
Patented Case
View Patent ↗
Granted: Feb 9, 1988
Filed: Sep 3, 1986
Inventor
Donald J. Sykes
Assignee (at issue)
Marpac Industries, 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.