FR1155536A
(en)
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Writing instrument such as stylograph or ballpoint pen with retractable writing tip
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US3063419A
(en)
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Writing instruments
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US8472000B1
(en)
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Animation stand with multiple axis camera support
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US2746152A
(en)
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Drawing apparatus
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US190797A
(en)
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Improvement in pantographs |
US1627205A
(en)
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Engraving method and apparatus
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US3175295A
(en)
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Device for making optically correct perspective drawings
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US2854560A
(en)
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Electrical engraving machines
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US2711022A
(en)
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Perspective demonstrator
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US3267576A
(en)
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Mechanical reduction apparatus
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US2419078A
(en)
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Drafting device for drawing projections
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US4385949A
(en)
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Method of tracing contour patterns for use in making gradual contour resin matrix composites
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US4672749A
(en)
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Mechanical perspective drafting device
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US1746331A
(en)
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Mechanical telautograph
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US1059893A
(en)
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Pantograph.
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US3127679A
(en)
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Lettering scriber
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US366987A
(en)
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Dial-figuring machine |
US2000766A
(en)
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Reproducing apparatus
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US2419610A
(en)
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Perspective drafting device
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US3246398A
(en)
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Device for sketching and cutting out segments of metal
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US1452858A
(en)
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Engraving machine
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US655750A
(en)
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Pantograph engraving-machine.
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US1223539A
(en)
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Machine for cutting cinematographic stencils.
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US3316643A
(en)
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Drawing instrument
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US2908078A
(en)
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Apparatus for drawing projections
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