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Patents Grantslast 30 patents

Information Patent Grant
Device for picking up and handling drafting templates, triangles an...
- Patent number 4,516,800
- Issue date May 14, 1985
- Rodolfo A. Coronado
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
2658302
- Patent number 2,658,302
- Issue date Nov 10, 1953
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
2414606
- Patent number 2,414,606
- Issue date Jan 21, 1947
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
1705005
- Patent number 1,705,005
- Issue date Mar 12, 1929
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES