Granted Patent
Utility
US 4,358,659 · App. 06/282,865
Method and apparatus for focusing a laser beam on an integrated circuit
Inventor:
John V. Spohnheimer
Patented Case
View Patent ↗
Granted: Nov 9, 1982
Filed: Jul 13, 1981
Inventor
John V. Spohnheimer
Assignee (at issue)
Mostek 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.