with legs formed by flat springs

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Patents Grantslast 30 patents

Information Patent Grant
3394460
- Patent number 3,394,460
- Issue date Jul 30, 1968
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
3335497
- Patent number 3,335,497
- Issue date Aug 15, 1967
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
3197871
- Patent number 3,197,871
- Issue date Aug 3, 1965
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
3190001
- Patent number 3,190,001
- Issue date Jun 22, 1965
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
2454305
- Patent number 2,454,305
- Issue date Nov 23, 1948
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
1779725
- Patent number 1,779,725
- Issue date Oct 28, 1930
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
1734613
- Patent number 1,734,613
- Issue date Nov 5, 1929
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
1716782
- Patent number 1,716,782
- Issue date Jun 11, 1929
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES