Granted Patent
Utility
US 4,770,117 · App. 07/021,818
Fiberglass reinforce product spray gun with roving cutter steering mechanism
Inventors:
Robert D. Hetherington, James E. Cavanaugh
Patented Case
View Patent ↗
Granted: Sep 13, 1988
Filed: Mar 4, 1987
Inventors
Robert D. Hetherington
James E. Cavanaugh
Assignee (at issue)
Binks Manufacturing Company
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.