Granted Patent
Utility
US 4,611,632 · App. 06/730,850
Hydraulic solenoid valve structure
Inventors:
Abel E. Kolchinsky, Shaukat Kazi
Patented Case
View Patent ↗
Granted: Sep 16, 1986
Filed: May 6, 1985
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.