with arrangements for drawing polygons

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Patents Grantslast 30 patents

Information Patent Grant
Plotter apparatus and methods for drawing a polygon inscribed withi...
- Patent number 10,272,716
- Issue date Apr 30, 2019
- Hojjatollah Salimi
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Geometric divider
- Patent number 10,232,664
- Issue date Mar 19, 2019
- Hojjatollah Salimi
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
3214835
- Patent number 3,214,835
- Issue date Nov 2, 1965
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
3167020
- Patent number 3,167,020
- Issue date Jan 26, 1965
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
1972655
- Patent number 1,972,655
- Issue date Sep 4, 1934
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES