Unitary thumbtack and hook

Details Unitary thumbtack and hook Unitary thumbtack and hook

1989-05-05

1990-10-02

Fay, Jr., Horace B.

Tools and hardware

Fastener, support or mount not elsewhere specified

Support, guide, or spacer

D 8391

Patent

active

D03109542

REFERENCES:
patent: D26260 (1896-11-01), Neuman
patent: D301975 (1989-07-01), Mullen
patent: 573101 (1896-12-01), O'Neill
patent: 633909 (1899-09-01), Sauford
patent: 701061 (1902-09-01), Kerr
patent: 907834 (1908-12-01), Marshall
patent: 992203 (1911-05-01), Johnson
patent: 1325202 (1919-12-01), Lawson
patent: 2693335 (1954-11-01), Kennedy et al.
patent: 2765998 (1956-10-01), Engert
patent: 3861631 (1975-01-01), Shorin

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