Granted Patent
Utility
US 4,725,185 · App. 06/862,478
Fail safe brake for rail type lifts
Inventor:
Alexandru Neagu
Patented Case
View Patent ↗
Granted: Feb 16, 1988
Filed: May 12, 1986
Inventor
Alexandru Neagu
Assignee (at issue)
Maxon 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.