Granted Patent
Utility
US 4,630,536 · App. 06/798,913
Hydraulic drive apparatus for die carriers
Inventor:
Chandrakant K. Shah
Patented Case
View Patent ↗
Granted: Dec 23, 1986
Filed: Nov 18, 1985
Inventor
Chandrakant K. Shah
Assignee (at issue)
Avondale 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.