Granted Patent
Utility
US 4,292,679 · App. 06/110,103
Variable directivity mounting means
Inventors:
Mikio Kondo, Hiromitsu Inoue, Hiroshi Ohashi
Patented Case
View Patent ↗
Granted: Sep 29, 1981
Filed: Jan 7, 1980
Inventors
Mikio Kondo
Hiromitsu Inoue
Hiroshi Ohashi
Assignee (at issue)
Matsushita Electric Works, Ltd.
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.