IP Library › Granted Patent US 4,469,595
Granted Patent Utility
US 4,469,595 · App. 06/431,156

Filter assembly for a spray booth

Inventor: Stanley C. Napadow
Patented Case View Patent ↗
Granted: Sep 4, 1984 Filed: Sep 30, 1982
Inventor
Stanley C. Napadow
Assignee (at issue)
Protectaire Systems, Co.

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 4,469,595
App. No.
06/431,156
Filed
1982-09-30
Granted
1984-09-04
Kind
A