Coenraad E. Riemersma

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Cincinnati, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Dynamic laminating method and apparatus for ultrasonically bonding...
- Patent number 4,531,999
- Issue date Jul 30, 1985
- The Procter & Gamble Company
- Louis T. Persson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Dynamic laminating method and apparatus for ultrasonically bonding...
- Patent number 4,404,052
- Issue date Sep 13, 1983
- The Procter & Gamble Company
- Louis T. Persson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Dynamic ultrasonic laminating apparatus having post-bonding pressur...
- Patent number 4,400,227
- Issue date Aug 23, 1983
- The Procter & Gamble Company
- Coenraad E. Riemersma
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus for embossing and perforating a running ribbon of thermop...
- Patent number 4,319,868
- Issue date Mar 16, 1982
- The Procter & Gamble Company
- Coenraad E. Riemersma
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for embossing and perforating a running ribbon of thermoplas...
- Patent number 4,272,473
- Issue date Jun 9, 1981
- The Procter & Gamble Company
- Coenraad E. Riemersma
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL