Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1977-07-05
1979-03-13
Burke, Wallace R.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1605
Patent
active
D02513285
REFERENCES:
patent: 3319058 (1967-05-01), Toomey, Jr. et al.
patent: 3358476 (1967-12-01), Buzalski
patent: 4049369 (1977-09-01), Shaffer
Bonazoli Robert P.
Morgan, Jr. William H.
Burke Wallace R.
GTE Sylvania Incorporated
Kemper Catherine
O'Malley Norman J.
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