SOLAR SIMULATOR "caught" in the SKY

https://patents.google.com/patent/US3325238A/en

SOLAR SIMULATOR Filed June 4, 1963 o 2 E q C q- I INVENTOR.
GEORGE GEIER United States Patent 3,325,238 SOLAR SIMULATOR George Geier, Teaneck, NJ., assignor to Keulfel & Esser Company, Hoboken, N.J., a corporation of New Jersey Filed June 4, 1963, Ser. No. 285,4?6 2 Claims. (Cl. 35027) This invention rel'tates to systems, methods, means, and devices for obtaining parallel radiant energy rays or light rays of uniform illumination intensity and uniform energy distribution over a region or space from radiant energy emitted by a radiant energy source, and re fers, more particularly, to obtaining parallel radiant energy rays of uniform illumination intensity and uniform energy distribution and having a complete spectral range and which simulates solar radiation in outer space over a region or space on earth.

Application US285496A events
1963-06-04
Application filed by Keuffel and Esser Co
1963-06-04
Priority to US285496A
1967-06-13
Application granted
1967-06-13
Publication of US3325238A
1982-03-25
Assigned to CONTINENTAL ILLINOIS NATIONAL BANK & TRUST CO., OF CHICAGO, A NATIONAL BANKING ASSOCIATION, SECURITY NATIONAL BANK, A NATIONAL BANKING ASSOCIATION FOR ITSELF AND AS AGENT FOR CITIBANK, N.A. A NATIONAL BANKING ASSOCIATION, CHASE MANHATTAN BANK, N.A. THE; A NATIONAL BANKING ASSOCIATION, BANK OF CALIFORNIA N.A. THE; A NATIONAL BANKING ASSOCIATION, CHEMICAL BANK, A BANKING INSTITUTION OF