Granted Patent
Utility
US 5,839,769 · App. 08/726,069
Expanding gripper with elastically variable pitch screw
Inventors:
Alexander H. Slocum, R. Scott Ziegenhagen
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Oct 3, 1996
Inventors
Alexander H. Slocum
R. Scott Ziegenhagen
Assignee (at issue)
Kinetrix, 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.