Granted Patent
Utility
US 5,937,733 · App. 08/965,563
Spring brake actuator with internal breathing conduit
Inventor:
Steven M. Stojic
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Nov 6, 1997
Inventor
Steven M. Stojic
Assignee (at issue)
NAI Anchorlok International, 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.