Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1976-05-20
1978-08-01
Burke, Wallace R.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1606
Patent
active
D02487667
REFERENCES:
patent: D189383 (1960-11-01), Macomber
patent: 3895858 (1975-07-01), Sawano
patent: 3904279 (1975-09-01), Sanada
patent: 3906534 (1975-09-01), Shirasaki
Burke Wallace R.
Kabushiki Kaisha Tamron
Kemper Catherine
McNenny Harold F.
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