Granted Patent
Utility
US 5,403,684 · App. 08/104,794
PCB tooling apparatus and method for forming patterns in registration on both sides of a substrate
Inventors:
Paul E. Schroeder, Michael Tobkin
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Aug 11, 1993
Inventors
Paul E. Schroeder
Michael Tobkin
Assignee (at issue)
Cray Research, 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.