Sperry; Charles R.

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Springfield, VT, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus, method and article for applying a melted adhesive
- Patent number 4,804,110
- Issue date Feb 14, 1989
- Sperry; Charles R.
- Charles R. Sperry
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL