Granted Patent
Utility
US 6,537,613 · App. 09/546,867
Process for metal metalloid oxides and nitrides with compositional gradients
Inventors:
Yoshihide Senzaki, Arthur Kenneth Hochberg, John Anthony Thomas Norman
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Apr 10, 2000
Inventors
Yoshihide Senzaki
Arthur Kenneth Hochberg
John Anthony Thomas Norman
Assignee (at issue)
Air Products and Chemicals, 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.