Frederick H. Purtell

TL The Singer Company Limited: 1 patents #229 of 510Top 45%

📍 Endwell, NY: #174 of 267 inventorsTop 70%

🗺 New York: #67,335 of 115,490 inventorsTop 60%

Overall (All Time): #4,066,222 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4318589	Segmented curved screen construction for preserving a predefined curvature	William Brown	1982-03-09