Water purifying canteen

Details Water purifying canteen Water purifying canteen

1987-03-12

1991-04-02

Zarfas, Louis S.

Travel goods and personal belongings

Umbrella or parasol, walking support

Cane or walking support

Patent

active

D03158292

REFERENCES:
patent: D268988 (1983-05-01), Hirsh
patent: 626238 (1899-06-01), Knapp
patent: 690457 (1902-01-01), Parker
patent: 707873 (1902-08-01), Spencer
patent: 1147384 (1915-07-01), Fetzer, Jr.
patent: 2738105 (1956-03-01), Wolfer et al.
patent: 3149758 (1964-09-01), Bush et al.
patent: 3323684 (1967-06-01), Durand et al.
patent: 3335917 (1967-08-01), Knight
patent: 4450966 (1984-05-01), Villavicencio, Jr. et al.
patent: 4714550 (1987-12-01), Malson et al.

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