1939's Plant Patent Counts

monthfirstcount
JanuaryPP3076
FebruaryPP3134
MarchPP3176
AprilPP3237
JunePP3304
JulyPP3342
AugustPP3362
SeptemberPP3384
OctoberPP3424
NovemberPP3463
DecemberPP3493
 Total:45

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