Granted Patent
Utility
US 4,879,970 · App. 07/041,024
Coating hood for applying coating compound on containers
Inventors:
Raymond W. Barkalow, Harold S. Dick, Roger T. Guthrie
Patented Case
View Patent ↗
Granted: Nov 14, 1989
Filed: Apr 21, 1987
Inventors
Raymond W. Barkalow
Harold S. Dick
Roger T. Guthrie
Assignee (at issue)
M&T Chemicals, 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.