FD

Frederick Alan Dahl

TR Trystar: 4 patents #4 of 11Top 40%
Overall (All Time): #1,201,776 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9325161 Universal electrical receptacle cover James Jerome Koberg, Brian Allen Amacher 2016-04-26
9271413 Shelter for portable electrical inlets/outlets James Jerome Koberg, Brian Allen Amacher 2016-02-23
D709461 Receptacle cover James Jerome Koberg, Brian Allen Amacher 2014-07-22
8476540 Shelter for portable electrical inlets/outlets James Jerome Koberg, Brian Allen Amacher 2013-07-02