Granted Patent
Utility
US 5,171,584 · App. 07/696,712
System for determining the distance between two solid bodies
Inventors:
Charles R. Ramsey, Russell Elbridge Holcomb, Brian Backus
Patented Case
View Patent ↗
Granted: Dec 15, 1992
Filed: May 7, 1991
Inventors
Charles R. Ramsey
Russell Elbridge Holcomb
Brian Backus
Assignee (at issue)
Matrix Technologies LLC
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.