Granted Patent
Utility
US 4,646,483 · App. 06/785,176
Vanes for abrasive blasting wheels
Inventor:
Jerry M. Mangan
Patented Case
View Patent ↗
Granted: Mar 3, 1987
Filed: Oct 7, 1985
Inventor
Jerry M. Mangan
Assignee (at issue)
Pangborn 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.