Granted Patent
Utility
US 5,649,745 · App. 08/537,631
Inflatable gripper assembly for rock boring machine
Inventor:
Llewellan Anderson
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Oct 2, 1995
Inventor
Llewellan Anderson
Assignee (at issue)
Atlas Copco Robbins 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.