Granted Patent
Utility
US 4,392,912 · App. 06/254,284
Bobbin changer for joining successive reels of web of the cigarette industry
Inventor:
John K. Horsley
Patented Case
View Patent ↗
Granted: Jul 12, 1983
Filed: Apr 15, 1981
Inventor
John K. Horsley
Assignee (at issue)
Molins 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.