Granted Patent
Utility
US 5,340,418 · App. 08/023,294
Method for producing a cast aluminum vehicle wheel
Inventor:
Daniel C. Wei
Patented Case
View Patent ↗
Granted: Aug 23, 1994
Filed: Feb 26, 1993
Inventor
Daniel C. Wei
Assignee (at issue)
Hayes Wheels 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.