Granted Patent
Utility
US 4,932,469 · App. 07/417,049
Automotive condenser
Inventor:
Paul K. Beatenbough
Patented Case
View Patent ↗
Granted: Jun 12, 1990
Filed: Oct 4, 1989
Inventor
Paul K. Beatenbough
Assignee (at issue)
Blackstone 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.