Granted Patent
Utility
US 3,976,430 · App. 05/494,933
Forced circulation cooling crystallizer
Inventors:
James E. Houston, Reynard W. Gingrich, Earl A. Schilt
Patented Case
View Patent ↗
Granted: Aug 24, 1976
Filed: Aug 5, 1974
Inventors
James E. Houston
Reynard W. Gingrich
Earl A. Schilt
Assignee (at issue)
Hooker Chemicals & Plastics 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.