Granted Patent
Utility
US 4,297,246 · App. 05/954,532
Method of producing dense refractory oxide coatings on metallic substrates and the production of catalysts from the coated substrates
Inventors:
James A. Cairns, Robert L. Nelson, James L. Woodhead
Patented Case
View Patent ↗
Granted: Oct 27, 1981
Filed: Oct 25, 1978
Inventors
James A. Cairns
Robert L. Nelson
James L. Woodhead
Assignee (at issue)
United Kingdom Atomic Energy Authority
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.