Granted Patent
Utility
US 5,476,006 · App. 08/088,243
Crystal evaluation apparatus and crystal evaluation method
Inventors:
Shingi Fujii, Genshu Fuse, Morio Inoue
Patented Case
View Patent ↗
Granted: Dec 19, 1995
Filed: Jul 7, 1993
Inventors
Shingi Fujii
Genshu Fuse
Morio Inoue
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.