Einar H. Fredrickson

GO Gould: 1 patents #131 of 364Top 40%

📍 Ambler, PA: #214 of 341 inventorsTop 65%

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

Overall (All Time): #4,081,741 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4245204	Circuit breaker magnetic trip device	Challiss I. Clausing	1981-01-13