Desktop accessory

Details Desktop accessory Desktop accessory

1994-08-25

1995-12-05

Holtje, Nelson C.

Measuring, testing, or signalling instruments

Time-measuring instrument or casing

Sandglass

D10 7

Patent

active

D03648230

REFERENCES:
patent: D30387 (1899-03-01), Smith
patent: D45179 (1914-02-01), Carter
patent: D149262 (1948-04-01), Doolin
patent: D158642 (1950-05-01), Braunberger
patent: D298419 (1988-11-01), Lin
patent: 3151442 (1964-10-01), Cullen

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