Granted Patent
Utility
US 4,729,400 · App. 06/840,381
Liquid control assembly
Inventors:
Benjamin Mendoza, William L. Wright
Patented Case
View Patent ↗
Granted: Mar 8, 1988
Filed: Mar 17, 1986
Inventors
Benjamin Mendoza
William L. Wright
Assignee (at issue)
Robert Manufacturing Company
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.