Clasp

Details Clasp Clasp

1992-04-01

1993-08-24

Holtje, Nelson C.

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

D19 86, D19100

Patent

active

D03386848

REFERENCES:
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patent: D30254 (1899-02-01), Wells
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patent: D256808 (1980-09-01), Gerber et al.
patent: D293882 (1988-01-01), Takahashi
patent: D302242 (1989-07-01), Belash
patent: D319903 (1991-09-01), Barner
patent: D327149 (1992-06-01), Harper, IV
patent: 2548104 (1951-04-01), Frison
patent: 4588218 (1986-05-01), Guiler et al.
patent: 4686783 (1987-08-01), Bourguard et al.
patent: 5018895 (1991-05-01), Meier, Jr.
Laure Plastiks, see p. 16 circled "Jota" clip.
Laure Plastiks, see p. 20 circled "Kliple".

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