Granted Patent
Utility
US 5,437,192 · App. 08/138,070
Physical property measuring device
Inventors:
Takeshi Kawamoto, Toshio Hrowatari, Eiji Tahara, Hiromasa Katayama
Patented Case
View Patent ↗
Granted: Aug 1, 1995
Filed: Oct 20, 1993
Inventors
Takeshi Kawamoto
Toshio Hrowatari
Eiji Tahara
Hiromasa Katayama
Assignee (at issue)
MITSUBISHI CHEMICAL 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.