Granted Patent
Utility
US 6,183,562 · App. 08/996,961
Thermal protection system for a chemical vapor deposition machine
Inventors:
Tracy Lavalle Pierce, Douglas A. Czaja
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Dec 23, 1997
Inventors
Tracy Lavalle Pierce
Douglas A. Czaja
Assignees (at issue)
SONY CORPORATION OF JAPAN
SONY ELECTRONICS INC.
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.