Looseleaf binder

Details Looseleaf binder Looseleaf binder

1993-05-24

1994-11-08

Burke, Wallace R.

Office supplies; artists and teachers materials

Book, album or cover

Ring bound or looseleaf type

281 31, 402 73

Patent

active

D03523098

REFERENCES:
patent: D319660 (1991-09-01), Moor
patent: 642244 (1900-01-01), Morehouse
patent: 3752503 (1973-08-01), Holes et al.
patent: 3909141 (1975-09-01), Staats
patent: 4113394 (1978-09-01), Giulie
patent: 4307972 (1981-12-01), Errichiello
patent: 4315642 (1982-02-01), Errichiello
patent: 4682792 (1987-06-01), Simmons
patent: 4795194 (1989-01-01), Etheredge
patent: 5015011 (1991-05-01), York

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