Granted Patent
Utility
US 4,957,376 · App. 07/354,958
Linear bearing with a height adjustment mechanism
Inventor:
Robert E. Ward, Jr.
Patented Case
View Patent ↗
Granted: Sep 18, 1990
Filed: May 22, 1989
Inventor
Robert E. Ward, Jr.
Assignee (at issue)
Warner & Swasey
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.