Granted Patent
Utility
US 4,918,910 · App. 07/313,427
Apparatus for dispensing a substance onto a crop material at a controlled rate
Inventors:
Ronald T. Sheehan, Shaun A. Seymour, Mark K. Chow, Richard P. Strosser
Patented Case
View Patent ↗
Granted: Apr 24, 1990
Filed: Feb 22, 1989
Inventors
Ronald T. Sheehan
Shaun A. Seymour
Mark K. Chow
Richard P. Strosser
Assignee (at issue)
Ford New Holland, 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.