Granted Patent
Utility
US 5,073,749 · App. 07/540,151
Mobile robot navigating method
Inventor:
Yutaka Kanayama
Patented Case
View Patent ↗
Granted: Dec 17, 1991
Filed: Jun 19, 1990
Inventor
Yutaka Kanayama
Assignees (at issue)
Shinko Electric Co., Ltd.
Sogo Securities 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.