Granted Patent
Utility
US 5,483,501 · App. 08/236,907
Short distance ultrasonic distance meter
Inventors:
Kyung-Tae Park, Minoru Toda
Patented Case
View Patent ↗
Granted: Jan 9, 1996
Filed: Apr 29, 1994
Inventors
Kyung-Tae Park
Minoru Toda
Assignee (at issue)
Whitaker & Company
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.