Granted Patent
Utility
US 4,726,534 · App. 06/893,698
Convertible reel assembly
Inventor:
Dean B. Chenoweth
Patented Case
View Patent ↗
Granted: Feb 23, 1988
Filed: Aug 6, 1986
Inventor
Dean B. Chenoweth
Assignee (at issue)
Advantek, LLC.
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.