B - Operations – Transporting – 43 – L
Patent
B - Operations, Transporting
43
L
B43L 13/00 (2006.01) B43L 1/12 (2006.01) G09B 27/08 (2006.01)
Patent
CA 2044152
2044152 9105669 PCTABS00005 A three-dimensional drawing device comprising a transparent hollow globe (12), a powder material (86) disposed within the globe which adheres to the inner surface of the globe, a scribe (44) disposed within the globe which can be used to draw upon the inner surface of the globe by scraping off the powder material, and controls (14, 16) for manipulating the scribe. The device can be used to form three-dimensional sketches and is primarily intended for use as a teaching aid and toy.
Anderson Richard H.
Anderson Robert R.
Anderson Richard H.
Anderson Robert R.
Gowling Lafleur Henderson Llp
LandOfFree
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