Granted Patent
Utility
US 4,957,780 · App. 07/407,980
Internal reactor method for chemical vapor deposition
Inventors:
Vinod K. Sarin, Charles D'Angelo, III, Helen E. Rebenne
Patented Case
View Patent ↗
Granted: Sep 18, 1990
Filed: Sep 15, 1989
Inventors
Vinod K. Sarin
Charles D'Angelo, III
Helen E. Rebenne
Assignee (at issue)
GTE Laboratories Incorporated
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.