Granted Patent
Utility
US 5,742,116 · App. 08/547,306
Shadow mask frame structure with long-sides having higher mechanical strength
Inventors:
Hideaki Maki, Jun Araya, Mayumi Ishibashi, Takami Okamoto
Patented Case
View Patent ↗
Granted: Apr 21, 1998
Filed: Oct 24, 1995
Inventors
Hideaki Maki
Jun Araya
Mayumi Ishibashi
Takami Okamoto
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.