Letter tray

Details Letter tray Letter tray

1988-03-24

1991-04-02

Dunkins, Bruce W.

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Holder or file

D19 86, D19 95

Patent

active

D03159256

REFERENCES:
patent: D33268 (1900-09-01), Rix
patent: D33269 (1900-09-01), Rix
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patent: D228209 (1973-08-01), Woods
patent: D235994 (1975-07-01), Stiene
patent: D265325 (1982-07-01), Rich
patent: D270963 (1983-10-01), Hawes et al.
patent: D286117 (1986-10-01), Wellington
patent: 933517 (1909-09-01), Worcester
patent: 1463098 (1923-07-01), Snyder
patent: 2807454 (1957-09-01), Beadle
patent: 3091355 (1963-05-01), Mutto
patent: 3305125 (1967-02-01), Chesley
patent: 3704791 (1972-12-01), Young, Jr.
Ginn's Office Supply Catalog .COPYRGT.1984, see p. 82, Wire Tray upper left.
Office Products Catalog .COPYRGT.1978, see p. 105, tray lower left.

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