EF

Einar H. Fredrickson

GO Gould: 1 patents #131 of 364Top 40%
Overall (All Time): #4,081,741 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4245204 Circuit breaker magnetic trip device Challiss I. Clausing 1981-01-13