Granted Patent
Utility
US 5,713,247 · App. 08/800,335
Trunnion reinforcing ring
Inventors:
Jack E. Skelton, Mark Charles Barnholt, Patrick Ballinger
Patented Case
View Patent ↗
Granted: Feb 3, 1998
Filed: Feb 14, 1997
Inventors
Jack E. Skelton
Mark Charles Barnholt
Patrick Ballinger
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.