Granted Patent
Utility
US 4,749,304 · App. 06/907,655
Variable width material distribution system for asphalt pavers and the like
Inventor:
Andrew Craig
Patented Case
View Patent ↗
Granted: Jun 7, 1988
Filed: Sep 15, 1986
Inventor
Andrew Craig
Assignee (at issue)
White Consolidated Industries, 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.