Granted Patent
Utility
US 5,388,475 · App. 08/121,700
Ball nut and method of manufacturing same
Inventors:
Walter J. Shear, III, Theodore R. Schlenker
Patented Case
View Patent ↗
Granted: Feb 14, 1995
Filed: Sep 15, 1993
Inventors
Walter J. Shear, III
Theodore R. Schlenker
Assignee (at issue)
Beaver Precision Products
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.