with abrading or sawing wheels

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for opening envelopes
- Patent number 6,612,211
- Issue date Sep 2, 2003
- Opex Corporation
- Dominic Stigliano
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Automated envelope opener
- Patent number 3,943,807
- Issue date Mar 16, 1976
- Omation Corporation
- George H. Bingham
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
3927589
- Patent number 3,927,589
- Issue date Dec 23, 1975
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
3797350
- Patent number 3,797,350
- Issue date Mar 19, 1974
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
3613315
- Patent number 3,613,315
- Issue date Oct 19, 1971
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
3545136
- Patent number 3,545,136
- Issue date Dec 8, 1970
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
3488674
- Patent number 3,488,674
- Issue date Jan 6, 1970
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
2992629
- Patent number 2,992,629
- Issue date Jul 18, 1961
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
1689703
- Patent number 1,689,703
- Issue date Oct 30, 1928
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES