Granted Patent
Utility
US 5,404,641 · App. 08/107,208
Method of drilling through contiguous plate members using a robotic drill clamp
Inventors:
James M. Bratten, Stephen F. Howard
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Aug 16, 1993
Inventors
James M. Bratten
Stephen F. Howard
Assignee (at issue)
AVCO 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.