Granted Patent
Utility
US 4,300,534 · App. 06/099,490
Solar collector with modified plumbing and array thereof
Inventor:
John C. Bowen
Patented Case
View Patent ↗
Granted: Nov 17, 1981
Filed: Dec 3, 1979
Inventor
John C. Bowen
Assignee (at issue)
Ametek, Inc.
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.