Book support device

Details Book support device Book support device

1999-01-21

1999-10-19

Holtje, Martie K.

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Holder or file

D19 88, D64064, 1902

Patent

active

D04155327

REFERENCES:
patent: D354520 (1995-01-01), Pong
patent: D354636 (1995-01-01), Cable
patent: D358270 (1995-05-01), Diamond
patent: 1928806 (1933-10-01), Barcalo
patent: 1934254 (1933-11-01), Barcalo
patent: 2490356 (1949-12-01), Hummel
patent: 4537646 (1985-08-01), Hoyle

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