IP Library Granted Patent US 4,606,775
Granted Patent Utility
US 4,606,775 · App. 06/597,025

Automatic dishwasher in a dual functioning system

Inventors: Ronald A. Robinson, William J. Boan, George D. Evans
Patented Case View Patent ↗
Granted: Aug 19, 1986 Filed: Apr 5, 1984
Inventors
Ronald A. Robinson
William J. Boan
George D. Evans
Assignee (at issue)
PUREX CO., LTD.

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,606,775
App. No.
06/597,025
Filed
1984-04-05
Granted
1986-08-19
Kind
A