Granted Patent
Utility
US 5,445,477 · App. 08/173,470
Bearing plate with a continuous elliptical embossment
Inventor:
Frank Calandra, Jr.
Patented Case
View Patent ↗
Granted: Aug 29, 1995
Filed: Dec 23, 1993
Inventor
Frank Calandra, Jr.
Assignee (at issue)
Jennmar Corporation
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.