Granted Patent
Utility
US 4,353,264 · App. 06/189,333
Anti-backlash nut assembly
Inventors:
Keith W. Erikson, Kenneth W. Erikson
Patented Case
View Patent ↗
Granted: Oct 12, 1982
Filed: Sep 22, 1980
Inventors
Keith W. Erikson
Kenneth W. Erikson
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.