Frederick D. Roberts

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Chalfont, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Fabrication of box parts from plastic material
- Patent number 4,032,280
- Issue date Jun 28, 1977
- FMC Corporation
- Frederick D. Roberts
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Fabrication of box parts from plastic material
- Patent number 3,977,307
- Issue date Aug 31, 1976
- FMC Corporation
- Frederick D. Roberts
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD