Granted Patent
Utility
US 5,206,293 · App. 07/593,740
Rubber composition and crosslinkable rubber composition
Inventors:
Masato Sakai, Isao Sugita, Itsuki Umeda, Yoji Mori
Patented Case
View Patent ↗
Granted: Apr 27, 1993
Filed: Oct 5, 1990
Inventors
Masato Sakai
Isao Sugita
Itsuki Umeda
Yoji Mori
Assignee (at issue)
Japan Synthetic Rubber 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.