Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1977-01-21
1978-09-19
Burke, Wallace R.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1602
Patent
active
D02495287
REFERENCES:
patent: D193592 (1962-09-01), Bonisch
patent: D201930 (1965-08-01), Collister
patent: D210051 (1968-01-01), Canelli
patent: D212916 (1968-12-01), Ainslie et al.
patent: D236231 (1975-08-01), Bourke
Miller Paul D.
Svezia John
Burke Wallace R.
GAF Corporation
Kehm Walter C.
Kemper Catherine
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