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John A. Spevacek

3M: 1 patents #455 of 1,204Top 40%
📍 Woodbury, MN: #86 of 232 inventorsTop 40%
🗺 Minnesota: #1,525 of 4,860 inventorsTop 35%
Overall (2003): #189,603 of 273,478Top 70%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6614728 Time-temperature integrating indicator — 2003-09-02