Granted Patent
Utility
US 4,199,201 · App. 05/934,956
Bearing assembly with adjustable lock nut
Inventor:
Kurt H. Trzeciak
Patented Case
View Patent ↗
Granted: Apr 22, 1980
Filed: Aug 18, 1978
Inventor
Kurt H. Trzeciak
Assignee (at issue)
SMITH INTERNATIONAL, INC.
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.