Granted Patent
Utility
US 6,372,295 · App. 09/525,138
Suppressing staining of coating baking ovens
Inventors:
Yoshikazu Kobayashi, Yojiro Yamamoto
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Mar 14, 2000
Inventors
Yoshikazu Kobayashi
Yojiro Yamamoto
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.