Granted Patent
Utility
US 5,839,321 · App. 08/857,972
Backlash compensating assembly
Inventor:
Alexander H. Siemons
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: May 16, 1997
Inventor
Alexander H. Siemons
Assignee (at issue)
Ball Screw & Actuators Co.
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.