Granted Patent
Utility
US 5,038,587 · App. 07/560,072
Control system
Inventor:
Gregory K. Harmelink
Patented Case
View Patent ↗
Granted: Aug 13, 1991
Filed: Jul 27, 1990
Inventor
Gregory K. Harmelink
Assignee (at issue)
Maytag 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.