Granted Patent
Utility
US 4,999,550 · App. 07/491,922
Automatic rear wiper control
Inventor:
Christopher W. Jones
Patented Case
View Patent ↗
Granted: Mar 12, 1991
Filed: Mar 12, 1990
Inventor
Christopher W. Jones
Assignee (at issue)
DELCO ELECTRONICS CORPORATION
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.