Granted Patent
Utility
US 6,827,538 · App. 10/237,576
Torque prevailing stud
Inventors:
Thomas S. Doppke, Bruce Whitman, Robert Schmidt
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Sep 9, 2002
Inventors
Thomas S. Doppke
Bruce Whitman
Robert Schmidt
Assignee (at issue)
HTG-Wyandotte, 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.