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About
1990's Plant Patent Counts
year
first
count
1990
PP7,089
318
1991
PP7,408
353
1992
PP7,761
321
1993
PP8,082
442
1994
PP8,527
499
1995
PP9,026
387
1996
PP9,413
362
1997
PP9,776
394
1998
PP10,172
561
1999
PP10,743
420
Total:
4,057
1980's
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