Newark, DE, US
Information
Patent Grant
E. I. Du Pont de Nemours & Co.
Peter Popper
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
E. I. Du Pont de Nemours and Company
John S. Locke
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
