Travel goods and personal belongings – Umbrella or parasol – walking support – Cane or walking support
Patent
1989-01-11
1990-09-25
Zarfas, Louis S.
Travel goods and personal belongings
Umbrella or parasol, walking support
Cane or walking support
Patent
active
D03107531
REFERENCES:
patent: 3186052 (1965-06-01), Bobrow
patent: 3299679 (1967-01-01), Anderson
patent: 3600917 (1971-08-01), Krock
patent: 3906763 (1975-09-01), Bochory
patent: 4079607 (1978-03-01), Spruyt
patent: 4821543 (1989-04-01), Scungio
Lee Scott H.
Stillwagon James R.
Doerr Erwin
Seifert R. T.
Zarfas Louis S,.
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