Granted Patent
Utility
US 4,248,645 · App. 05/939,808
Method for reducing residual stresses in crystals
Inventor:
David N. Jewett
Patented Case
View Patent ↗
Granted: Feb 3, 1981
Filed: Sep 5, 1978
Inventor
David N. Jewett
Assignee (at issue)
Mobil Tyco 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.