Philadelphia, PA, US
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Patent Grant
The United States of America as represented by the Secretary of the Army
Kenneth Krevitz
252 - Compositions
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Patent Grant
The Franklin Institute
Louis L. Pytlewski
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
The Franklin Institute
Louis L. Pytlewski
C07 - ORGANIC CHEMISTRY
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Patent Grant
The Franklin Institute
Louis L. Pytlewski
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
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Patent Grant
The Franklin Institute
Louis L. Pytlewski
C07 - ORGANIC CHEMISTRY
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Patent Grant
The Franklin Institute
Louis L. Pytlewski
A62 - LIFE-SAVING FIRE-FIGHTING
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Patent Grant
The Franklin Institute
Louis L. Pytlewski
C07 - ORGANIC CHEMISTRY
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Patent Grant
The Franklin Institute
Robert K. Soberman
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Patent Grant
The Franklin Institute
Louis L. Pytlewski
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Patent Grant
The Franklin Institute
Louis L. Pytlewski
C07 - ORGANIC CHEMISTRY
