Granted Patent
Utility
US 4,587,177 · App. 06/719,938
Cast metal composite article
Inventors:
Milton E. Toaz, Martin David Smalc
Patented Case
View Patent ↗
Granted: May 6, 1986
Filed: Apr 4, 1985
Inventors
Milton E. Toaz
Martin David Smalc
Assignee (at issue)
Imperial Clevite 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.