Shielding enclosures
United States Patent 2838592

Inventors:
Frank, Feketics
Publication Date:
06/10/1958
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Assignee:
Frank, Feketics
Primary Class:
174/371
Other Classes:
52/282.500, 220/688, 52/280, 52/464, 976/DIG.335, 52/792.110, 52/463
International Classes:
E04B1/343; E04B1/61; E04B1/92; G21F3/00; H05K9/00
US Patent References:
2328197Building structure
2405987High-frequency shielding
2704301Shielding enclosures
2714231Building structures
2734933
2765362Screen rooms