Card – picture – or sign exhibiting – Changing exhibitor – Rotatable carrier for display item
Patent
1995-10-24
1998-07-07
Dorner, Kenneth J.
Card, picture, or sign exhibiting
Changing exhibitor
Rotatable carrier for display item
434206, 434215, G09F 1104
Patent
active
057750157
ABSTRACT:
The location recorder assembly consists of a pair of disks, each bearing location site information about their periphery. The disks are held together by a pair of indicator studs, the heads of which are independently rotatable and which bear designation devices to permit a particular location site to be designated by the rotational orientations of the disks and the indicator studs.
REFERENCES:
patent: 134257 (1872-12-01), Cottle
patent: 203988 (1878-05-01), Bailey
patent: 521983 (1894-06-01), Lawrence et al.
patent: 602918 (1898-04-01), Sebastian
patent: 924058 (1909-06-01), Graves
patent: 1016575 (1912-02-01), Meinhardt
patent: 1075256 (1913-10-01), Hutchison
patent: 1555575 (1925-09-01), Hogsten et al.
Chop Andrea
Dorner Kenneth J.
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