JF

John P. Fetzer

HE Hellenbrand: 2 patents #3 of 11Top 30%
Overall (All Time): #1,943,865 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9862619 System for automatic water discharge management Jeffrey J. Hellenbrand, Edward T. Maas, Jr., Jill E. McDonald 2018-01-09
9346689 Method of water discharge management Jeffrey J. Hellenbrand, Edward T. Maas, Jr., Jill E. McDonald 2016-05-24