Granted Patent
Utility
US 5,257,516 · App. 07/892,101
Washing machine
Inventor:
Robin C. Hossfield
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Jun 2, 1992
Inventor
Robin C. Hossfield
Assignee (at issue)
Raytheon Company
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.