Granted Patent
Utility
US 5,984,501 · App. 08/823,213
Super-precision positioning system
Inventors:
Katsura Tomotaki, Shinichi Nomura, Heung Chul Shin
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Mar 24, 1997
Inventors
Katsura Tomotaki
Shinichi Nomura
Heung Chul Shin
Assignee (at issue)
Seiko Seiki Kabushiki Kaisha
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.