Granted Patent
Utility
US 6,682,454 · App. 09/997,793
Planetary gear reduction device with torque limiter function
Inventors:
Yuzuru Suzuki, Kunitake Matsushita, Kazuo Muramatsu
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Nov 29, 2001
Inventors
Yuzuru Suzuki
Kunitake Matsushita
Kazuo Muramatsu
Assignee (at issue)
Minebea Co., 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.