Granted Patent
Utility
US 4,183,777 · App. 05/896,843
Method of making weather resistant composites
Inventors:
James W. Summers, George J. Kliner
Patented Case
View Patent ↗
Granted: Jan 15, 1980
Filed: Apr 17, 1978
Inventors
James W. Summers
George J. Kliner
Assignee (at issue)
B. F. Goodrich 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.