Granted Patent
Utility
US 4,309,241 · App. 06/172,503
Gas curtain continuous chemical vapor deposition production of semiconductor bodies
Inventors:
Paul M. Garavaglia, Henry W. Gutsche
Patented Case
View Patent ↗
Granted: Jan 5, 1982
Filed: Jul 28, 1980
Inventors
Paul M. Garavaglia
Henry W. Gutsche
Assignee (at issue)
Monsanto 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.