Granted Patent
Utility
US 5,228,941 · App. 07/708,547
Device for splicing self-adhesive crude rubber sheet material
Inventor:
Marcello Panicali
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: May 31, 1991
Inventor
Marcello Panicali
Assignee (at issue)
BRIDGESTONE CORPORATION
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.