Eldersburg, MD, US
Information
Patent Grant
The Johns Hopkins University
Daniel E. Matlin
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
The United States of America as represented by the Secretary of the Army
John Edward Penn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
The Johns Hopkins University
John E. Penn
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
The Johns Hopkins University
Daniel E. Matlin
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
U.S. GOVERMENT AS REPRESENTED BY THE SECRETARY OF THE ARMY
JOHN E. PENN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
John E. Penn
H01 - BASIC ELECTRIC ELEMENTS
