Granted Patent
Utility
US 4,708,519 · App. 06/848,719
Asphalt paving machine with liftable, adjustable auger mechanisms
Inventors:
Donald R. Davin, Robert L. Brown
Patented Case
View Patent ↗
Granted: Nov 24, 1987
Filed: Apr 4, 1986
Inventors
Donald R. Davin
Robert L. Brown
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.