Granted Patent
Utility
US 6,055,448 · App. 08/551,819
Sensor device
Inventors:
John McCune Anderson, James H. Allen, George John Dempsey
Patented Case
View Patent ↗
Granted: Apr 25, 2000
Filed: Nov 7, 1995
Inventors
John McCune Anderson
James H. Allen
George John Dempsey
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.