Granted Patent
Utility
US 4,548,254 · App. 06/509,700
Method of manufacturing a die-cast wobble plate assembly
Inventor:
Richard W. Roberts
Patented Case
View Patent ↗
Granted: Oct 22, 1985
Filed: Jun 30, 1983
Inventor
Richard W. Roberts
Assignee (at issue)
BorgWarner 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.