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You searched for: “Clopper, Francis C.; patent agent”
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Clopper, Francis C.; patent agent [index entry] 
Clopper, Francis C.; patent agent [index entry] 
Clopper, Francis C.; patent agent [index entry] 
Clopper, Francis C.; patent agent [index entry] 
Clopper, Francis C.; patent agent [index entry] 
Clopper, Francis C.; patent agent [index entry] 
Clopper, Francis C.; patent agent [index entry] 
Clopper, Francis C.; patent agent [index entry] 
Clopper, Francis C.; patent agent [index entry] 
Clopper, Francis C.; patent agent [index entry]