Granted Patent
Utility
US 4,259,374 · App. 06/085,648
Method of painting
Inventors:
Raymond A. Bianchi, Sally L. Heathcoat
Patented Case
View Patent ↗
Granted: Mar 31, 1981
Filed: Apr 27, 1979
Inventors
Raymond A. Bianchi
Sally L. Heathcoat
Assignee (at issue)
Caterpillar Tractor Co.
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.