Granted Patent
Utility
US 4,453,675 · App. 06/321,023
Aerial spraying apparatus
Inventors:
Robert Kodadek, James H. Welch
Patented Case
View Patent ↗
Granted: Jun 12, 1984
Filed: Nov 13, 1981
Inventors
Robert Kodadek
James H. Welch
Assignee (at issue)
Herculite Products, 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.