IP Library › Granted Patent US 4,479,815
Granted Patent Utility
US 4,479,815 · App. 06/473,855

Pneumatic controller and alarm for adsorbent fractionaters, particularly dessicant dryers

Inventors: Craig S. Tinker, Thomas Haberer
Patented Case View Patent ↗
Granted: Oct 30, 1984 Filed: Mar 9, 1983
Inventors
Craig S. Tinker
Thomas Haberer
Assignee (at issue)
Pall Corporation

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 4,479,815
App. No.
06/473,855
Filed
1983-03-09
Granted
1984-10-30
Kind
A