Granted Patent
Utility
US 5,555,644 · App. 08/323,973
Fluid cylinder retraction locking device
Inventor:
Rodney Voegtline
Patented Case
View Patent ↗
Granted: Sep 17, 1996
Filed: Oct 17, 1994
Inventor
Rodney Voegtline
Assignee (at issue)
W.R. Grace & Co. Conn.
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.