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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
CJ

Carol Ann Johnson — 4 Patents

ECEcoscience: 3 patents #2 of 18Top 15%
Haydenville, MA: #1 of 7 inventorsTop 15%
Massachusetts: #27,912 of 88,656 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Carol Ann Johnson has been granted 4 US patents while listed as an inventor at Ecoscience. The first was granted in 1991 and the most recent in November 1999. Carol Ann Johnson ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Carol Ann Johnson in Haydenville, MA, US.

Patents per Year

Patents granted per year, 1991 to 1999Bar chart with a peak of 1 patents in 1991.peak 11991: 1 patents19911994: 1 patents19941997: 1 patents19971999: 1 patents1999

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5989898 Method for storing fungal conidia Xixuan Jin, Kathryn E. Grigas, Paul Perry, David W. Miller 1999-11-23
5679362 Packaged fungal culture stable to long term storage David W. Miller, Paul Perry 1997-10-21 $501,000
5310552 Device for the biological control of cockroaches Haim B. Gunner, Fernando Agudelo-Silva, Meir Broza 1994-05-10 $767,000
5057315 Method and device for the biological control of cockroaches Haim B. Gunner, Fernando Agudelo-Silva 1991-10-15