Granted Patent
Utility
US 5,778,737 · App. 08/185,756
Balance weight and method of securing same to a rotatable tubular body
Inventors:
David E. Welsh, Oliver Lee Sims
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Jan 24, 1994
Inventors
David E. Welsh
Oliver Lee Sims
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.