Keycard

Details Keycard Keycard

1984-10-29

1988-05-31

Vales, Carmen H.

Travel goods and personal belongings

Umbrella or parasol, walking support

Cane or walking support

Patent

active

D02959208

REFERENCES:
patent: 3926234 (1975-12-01), Dean
patent: 4286641 (1981-09-01), Watson
patent: 4300610 (1981-11-01), China

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