Granted Patent
Utility
US 4,068,031 · App. 05/638,943
Lauan panel with reduced flame spread rating
Inventors:
James Cooley, Ozzie Fogle, Hildred Barnes
Patented Case
View Patent ↗
Granted: Jan 10, 1978
Filed: Dec 8, 1975
Inventors
James Cooley
Ozzie Fogle
Hildred Barnes
Assignee (at issue)
Champion International Corporation Limited
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.