Trygve Dahl

IN Ingersoll-Rand: 1 patents #412 of 828Top 50%

📍 Easton, PA: #367 of 611 inventorsTop 65%

🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%

Overall (All Time): #3,893,339 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4890980	Centrifugal pump	Charles C. Heald	1990-01-02