1957's Plant Patent Counts

monthfirstcount
JanuaryPP1,54316
FebruaryPP1,55916
MarchPP1,57511
AprilPP1,58612
MayPP1,5988
JunePP1,6066
JulyPP1,61214
AugustPP1,62612
SeptemberPP1,6388
OctoberPP1,64610
NovemberPP1,6565
DecemberPP1,66111
 Total:129

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