Granted Patent
Utility
US 5,257,178 · App. 07/810,793
Method of optimally operating a computer numerical control milling machine to mill optimal high density interconnect substrates
Inventors:
William Thomas Hatfield, William W. Rohling, Wolfgang Daum, Carl Lawrence Chalek
Patented Case
View Patent ↗
Granted: Oct 26, 1993
Filed: Dec 19, 1991
Inventors
William Thomas Hatfield
William W. Rohling
Wolfgang Daum
Carl Lawrence Chalek
Assignee (at issue)
General Electric Company
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.