Granted Patent
Utility
US 4,080,760 · App. 05/770,093
Surface treatment device including magnetic shot separator
Inventor:
Raymond M. Leliaert
Patented Case
View Patent ↗
Granted: Mar 28, 1978
Filed: Feb 18, 1977
Inventor
Raymond M. Leliaert
Assignee (at issue)
Wheelabrator-Frye 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.