Edward A. Krupotich

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Los Altos, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of extracting contents from envelopes
- Patent number 5,924,840
- Issue date Jul 20, 1999
- Opex Corporation
- William F. Charron
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Envelope opening machine
- Patent number 5,470,182
- Issue date Nov 28, 1995
- Omation Corporation
- Edward A. Krupotich
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Machine for extracting contents from envelopes
- Patent number 5,156,515
- Issue date Oct 20, 1992
- Omation Corporation
- William F. Charron
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Apparatus and method for checking the contents of envelopes and sor...
- Patent number 4,576,287
- Issue date Mar 18, 1986
- Omation Corporation
- George H. Bingham
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Envelope power conveyor stacker
- Patent number D278250
- Issue date Apr 2, 1985
- Omation Corporation
- Burton J. Rosensweig
- D18 - Printing and office machinery
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