IP Library › Granted Patent US 5,607,012
Granted Patent Utility
US 5,607,012 · App. 08/489,508

Heat exchanger

Inventors: William J. Buchanan, Siegfried A. Wasse, Thomas A. Bowler
Patented Case View Patent ↗
Granted: Mar 4, 1997 Filed: Jun 12, 1995
Inventors
William J. Buchanan
Siegfried A. Wasse
Thomas A. Bowler
Assignee (at issue)
General Motors 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 5,607,012
App. No.
08/489,508
Filed
1995-06-12
Granted
1997-03-04
Kind
A