Appeal No. 1999-1045
Application No. 08/651,759
operator’s extremity associated with controlling the data input
device, with the platform comprising, inter alia, a protrusion
extending upwards, with a top surface of the protrusion
comprising a head having a contact surface adapted for selective
positioning against an associated inanimate structure, the
contact surface comprising a material selected to promote
friction with the associated inanimate structure. Independent
claim 20 sets forth a platform for a hand-controllable data input
device used with a microprocessor and an operator’s extremity
associated with controlling the data input device, with the
platform comprising, inter alia, a first protrusion extending
upward, with a top surface of the first protrusion comprising a
head having a contact surface adapted for selective positioning
against an associated inanimate structure, the contact surface
comprising a layer of material selected to promote friction with
the associated inanimate structure. Independent claim 44 is
drawn to a platform for a hand-operated pointing device used with
a microprocessor and an operator’s appendage associated with
controlling the pointing device, with the platform comprising,
inter alia, two protrusions, the protrusions being adapted for
selective positioning against an associated inanimate structure,
with a first of the protrusions being located on one side of a
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