Granted Patent
Utility
US 5,879,216 · App. 08/812,403
Method of fixing mercury containing alloy within fluorescent tubes
Inventors:
Yasuto Yoshii, Ikuhiro Okuno, Shozo Miyamoto, Masayuki Tanaka, Masahiro Yoshimoto, Masao Kubo, Tooru Watanabe, Tsuyosi Yokogawa
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Mar 5, 1997
Inventors
Yasuto Yoshii
Ikuhiro Okuno
Shozo Miyamoto
Masayuki Tanaka
Masahiro Yoshimoto
Masao Kubo
Tooru Watanabe
Tsuyosi Yokogawa
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.