Granted Patent
Utility
US 6,512,174 · App. 09/741,621
Electronic appliance having housing-case made of biodegradable material, and container made of biodegradable material
Inventors:
Hiroyuki Mori, Ritsuko Inoue, Kazuki Satake, Miyuki Kamei, Yuko Fujihira, Tsutomu Noguchi
Patented Case
View Patent ↗
Granted: Jan 28, 2003
Filed: Dec 19, 2000
Inventors
Hiroyuki Mori
Ritsuko Inoue
Kazuki Satake
Miyuki Kamei
Yuko Fujihira
Tsutomu Noguchi
Assignee (at issue)
SONY GROUP 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.