Granted Patent
Utility
US 6,131,478 · App. 09/226,470
Anti-backlash nut assembly
Inventors:
Keith W. Erikson, Kenneth W. Erikson
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Jan 7, 1999
Inventors
Keith W. Erikson
Kenneth W. Erikson
Assignee (at issue)
Kerk Motion Products, 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.