Granted Patent
Utility
US 4,428,128 · App. 06/345,621
Jet tube dryer retainer system
Inventors:
Fred Denver Coulson, III, Jerry M. Smith
Patented Case
View Patent ↗
Granted: Jan 31, 1984
Filed: Feb 4, 1982
Inventors
Fred Denver Coulson, III
Jerry M. Smith
Assignee (at issue)
COE MANUFACTURING 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.