Granted Patent
Utility
US 4,734,686 · App. 06/932,598
Gas discharge display apparatus
Inventors:
Takio Okamoto, Ryoji Inutsuka, Yukiharu Ito
Patented Case
View Patent ↗
Granted: Mar 29, 1988
Filed: Nov 20, 1986
Inventors
Takio Okamoto
Ryoji Inutsuka
Yukiharu Ito
Assignee (at issue)
Matsushita Electronics 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.