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US 2929922

How the First Laser Was Invented

The foundational 1960 patent by Schawlow and Townes that describes how to amplify light waves to create a laser, moving beyond microwave technology.

Statusexpired

Granted1960

Expires1978

Claims0

Forward citations145

Prior art1

AssigneeBell Telephone Laboratories Inc

InventorsArthur L Schawlow, Charles H Townes

Patent B

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