Roger K. Pihlaja

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Sanford, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for severing and sealing thermoplastic materials
- Patent number 4,913,761
- Issue date Apr 3, 1990
- The Dow Chemical Company
- Patrick M. Russell
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Device and method for cooling a high temperature furnace
- Patent number 4,847,859
- Issue date Jul 11, 1989
- The Dow Chemical Company
- Patrick M. Russell
- F27 - FURNACES KILNS OVENS RETORTS