Edgar Alfredo Campo

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Columbus, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Interleaved rolls of web material
- Patent number 4,258,846
- Issue date Mar 31, 1981
- E. I. Du Pont de Nemours and Company
- Edgar A. Campo
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Material converger
- Patent number 4,229,861
- Issue date Oct 28, 1980
- E. I. Du Pont de Nemours and Company
- Edgar A. Campo
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Material converger
- Patent number 4,144,618
- Issue date Mar 20, 1979
- E. I. Du Pont de Nemours and Company
- Edgar A. Campo
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Winding device and chuck therefor
- Patent number 4,095,754
- Issue date Jun 20, 1978
- E. I. Du Pont de Nemours and Company
- Edgar Alfredo Campo
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL