Granted Patent
Utility
US 6,003,474 · App. 09/173,261
Leash-tension-controlled stimulus-producing dog collar and method
Inventors:
Robert E. Slater, Ralph L. Pelton, Timothy T. Duncan, Robert D. Rozanski
Patented Case
View Patent ↗
Granted: Dec 21, 1999
Filed: Oct 14, 1998
Inventors
Robert E. Slater
Ralph L. Pelton
Timothy T. Duncan
Robert D. Rozanski
Assignee (at issue)
Tri-Tronics, Inc.
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.