Granted Patent
Utility
US 5,030,673 · App. 07/268,043
Plastisol composition and undercoating material
Inventors:
Satoru Sugino, Yoshimichi Kobayashi
Patented Case
View Patent ↗
Granted: Jul 9, 1991
Filed: Nov 7, 1988
Inventors
Satoru Sugino
Yoshimichi Kobayashi
Assignees (at issue)
Mitsubishi Kasei Vinyl Company
Mitsubishi Kasei 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.