Tent – canopy – umbrella – or cane – Canes – sticks – crutches – and walking aids
Patent
1992-10-06
1994-07-26
Friedman, Carl D.
Tent, canopy, umbrella, or cane
Canes, sticks, crutches, and walking aids
135910, 362102, A45B 700
Patent
active
053319907
ABSTRACT:
A safety cane incorporates an ambient light sensitive illumination device for conserving battery power. A tipping detector is also incorporated which sounds an audible alarm after a first time delay. If the cane is not retrieved by the end of the second time delay, the cane broadcasts an initiating instruction to a telephone dialing device.
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Beddo Ray
Hall H. Eugene
Folise Michael J.
Friedman Carl D.
Mai Lan C.
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