Granted Patent
Utility
US 4,530,686 · App. 06/438,780
Rotary packaging technology
Inventors:
William G. Everson, Richard D. Stevens
Patented Case
View Patent ↗
Granted: Jul 23, 1985
Filed: Nov 3, 1982
Inventors
William G. Everson
Richard D. Stevens
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.