Granted Patent
Utility
US 4,937,053 · App. 07/257,766
Crystal growing apparatus
Inventor:
David Harvey
Patented Case
View Patent ↗
Granted: Jun 26, 1990
Filed: Sep 30, 1988
Inventor
David Harvey
Assignee (at issue)
Mobil Solar Energy 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.