Granted Patent
Utility
US 4,680,149 · App. 06/865,217
Mold and method for spin casting a precisely configured article
Inventors:
David Lionel Rawlings, Robert Glick, Robert C. Chang
Patented Case
View Patent ↗
Granted: Jul 14, 1987
Filed: May 19, 1986
Inventors
David Lionel Rawlings
Robert Glick
Robert C. Chang
Assignee (at issue)
International Hydron 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.