Granted Patent
Utility
US 5,344,729 · App. 07/904,948
Conformal photomask for three-dimensional printed circuit board technology
Inventors:
Rickey D. Akins, John Walvoord, James E. Foreman
Patented Case
View Patent ↗
Granted: Sep 6, 1994
Filed: Jun 26, 1992
Inventors
Rickey D. Akins
John Walvoord
James E. Foreman
Assignee (at issue)
LOCKHEED MARTIN 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.