Granted Patent
Utility
US 6,431,987 · App. 09/721,361
Spherical swivel with elastomeric positioning device
Inventors:
Thomas A. Tushar, Paul J. Leska, Sr.
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Nov 22, 2000
Inventors
Thomas A. Tushar
Paul J. Leska, Sr.
Assignee (at issue)
MTS SYSTEMS CORPORATION
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.