Granted Patent
Utility
US 4,257,936 · App. 05/945,947
Self-bonding silicone compositions
Inventors:
Yasuji Matsumoto, Bunjiro Murai, Reeko Kawamura
Patented Case
View Patent ↗
Granted: Mar 24, 1981
Filed: Sep 26, 1978
Inventors
Yasuji Matsumoto
Bunjiro Murai
Reeko Kawamura
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.