Granted Patent
Utility
US 4,348,792 · App. 06/207,883
Method of making low cost accumulator
Inventor:
Abduz Zahid
Patented Case
View Patent ↗
Granted: Sep 14, 1982
Filed: Nov 18, 1980
Inventor
Abduz Zahid
Assignee (at issue)
Greer Hydraulics, Incorporated
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.