IP Library › Granted Patent US 5,092,280
Granted Patent Utility
US 5,092,280 · App. 07/392,272

Pressure pulse cleaning apparatus

Inventors: Richard D. Franklin, Gregg D. Auld, David E. Murray
Patented Case View Patent ↗
Granted: Mar 3, 1992 Filed: Aug 10, 1989
Inventors
Richard D. Franklin
Gregg D. Auld
David E. Murray
Assignee (at issue)
Westinghouse Electric Company LLC

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 5,092,280
App. No.
07/392,272
Filed
1989-08-10
Granted
1992-03-03
Kind
A