Granted Patent
Utility
US 4,545,641 · App. 06/493,338
High speed erasing and rebiasing of thermoptic thin films in the medium and long-wave infrared
Inventor:
Arthur E. Sobey, Jr.
Patented Case
View Patent ↗
Granted: Oct 8, 1985
Filed: May 10, 1983
Inventor
Arthur E. Sobey, Jr.
Assignee (at issue)
LTV Aerospace and Defense Company
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.