Granted Patent
Utility
US 4,815,934 · App. 07/033,029
Air deflector arrangement
Inventor:
Johan K. Rademaker
Patented Case
View Patent ↗
Granted: Mar 28, 1989
Filed: Mar 31, 1987
Inventor
Johan K. Rademaker
Assignee (at issue)
HART & COOLEY, 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.