Tripod head

Details Tripod head Tripod head

1979-12-13

1982-01-12

Holtje, Nelson C.

Photography and optical equipment

Projector or viewer

With provision for transparency magazine

D1605

Patent

active

D02626357

REFERENCES:
patent: D152247 (1949-01-01), Flesh
patent: D155279 (1949-09-01), Flesch
patent: D155280 (1949-09-01), Flesch
patent: D160136 (1950-09-01), Welt
patent: D176471 (1955-12-01), Mooney
patent: D179828 (1957-03-01), Welt
patent: D198412 (1964-06-01), Mooney
patent: D222596 (1971-11-01), Leubner
patent: D257259 (1980-10-01), Shiraishi
patent: D257260 (1980-10-01), Shiraishi
patent: D257261 (1980-10-01), Shinohara

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