IP Library › Granted Patent US 5,176,726
Granted Patent Utility
US 5,176,726 · App. 07/814,778

Dust collectors

Inventor: Robert J. Beavis
Patented Case View Patent ↗
Granted: Jan 5, 1993 Filed: Dec 30, 1991
Inventor
Robert J. Beavis

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 5,176,726
App. No.
07/814,778
Filed
1991-12-30
Granted
1993-01-05
Kind
A