Granted Patent
Utility
US 5,167,166 · App. 07/774,814
Rack and roller core element adjust
Inventor:
David L. Ruhlman
Patented Case
View Patent ↗
Granted: Dec 1, 1992
Filed: Oct 11, 1991
Inventor
David L. Ruhlman
Assignee (at issue)
Teleflex Incorporated
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.