Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1977-01-21
1978-08-08
Burke, Wallace R.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1601
Patent
active
D02488582
REFERENCES:
patent: D242447 (1976-11-01), Conner et al.
patent: D244686 (1977-06-01), Hansen
Burke Wallace R.
Fuji Photo Film Co. , Ltd.
Kemper Catherine
Sughrue Richard C.
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