Granted Patent
Utility
US 4,343,355 · App. 06/130,489
Low stress heat exchanger and method of making the same
Inventors:
Alexander Goloff, George B. Grim
Patented Case
View Patent ↗
Granted: Aug 10, 1982
Filed: Jan 14, 1980
Inventors
Alexander Goloff
George B. Grim
Assignee (at issue)
Caterpillar Tractor 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.