John A. Bonnard

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Sandton, 2146, ZA

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Patents Grantslast 30 patents

Information Patent Grant
Method of and apparatus for determining melting points
- Patent number 4,927,270
- Issue date May 22, 1990
- John A. Bonnard
- G01 - MEASURING TESTING
Information Patent Grant
Calorimetric apparatus
- Patent number 4,925,315
- Issue date May 15, 1990
- John A. Bonnard
- G01 - MEASURING TESTING