Granted Patent
Utility
US 4,544,128 · App. 06/469,469
Cartridge solenoid valve with manual override
Inventors:
Abel E. Kolchinsky, Shaukat Kazi
Patented Case
View Patent ↗
Granted: Oct 1, 1985
Filed: Feb 24, 1983
Inventors
Abel E. Kolchinsky
Shaukat Kazi
Assignee (at issue)
Imperial Clevite 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.