GP

Gary Powell

HA Hallsten: 1 patents #4 of 6Top 70%
Overall (All Time): #1,967,381 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10124291 Trench spanning modules in a biofilter floor assembly Jeffrey A. Hallsten, Ronald Kuehne 2018-11-13
4827859 Boat 1989-05-09