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Douglas W. Friedrich

Caterpillar: 1 patents #110 of 374Top 30%
📍 East Peoria, IL: #8 of 29 inventorsTop 30%
🗺 Illinois: #1,118 of 4,656 inventorsTop 25%
Overall (1997): #158,496 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5629855 System and method for using parabolic models to improve position estimates from a global positioning system Christos Kyrtsos, James W. Sennott, Adam J. Gudat, Dana A. Christensen, Darrell E. Stafford 1997-05-13