Granted Patent
Utility
US 4,450,705 · App. 06/386,658
Heat exchanger plate having distortion resistant uniform pleats
Inventor:
Gonzalo D. Vidal-Meza
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Jun 9, 1982
Inventor
Gonzalo D. Vidal-Meza
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.