Granted Patent
Utility
US 5,243,885 · App. 07/701,521
Face driving center assembly for lathe
Inventor:
Richard F. Lash
Patented Case
View Patent ↗
Granted: Sep 14, 1993
Filed: May 16, 1991
Inventor
Richard F. Lash
Assignee (at issue)
DANA LIMITED
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.