Granted Patent
Utility
US 4,304,502 · App. 06/094,649
Torque and thrust transmitting bushings
Inventor:
Andrew Stratienko
Patented Case
View Patent ↗
Granted: Dec 8, 1981
Filed: Nov 15, 1979
Inventor
Andrew Stratienko
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.