Granted Patent
Utility
US 4,307,771 · App. 06/115,517
Forced-convection-cooled casting wheel
Inventors:
Seymour Draizen, Charles Carlson, Andiappan K. S. Murthy
Patented Case
View Patent ↗
Granted: Dec 29, 1981
Filed: Jan 25, 1980
Inventors
Seymour Draizen
Charles Carlson
Andiappan K. S. Murthy
Assignee (at issue)
ALLIED CONSULTING, 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.