KV

Keith Vacha

PW Pure Water: 2 patents #1 of 3Top 35%
📍 Lincoln, NE: #4 of 52 inventorsTop 8%
🗺 Nebraska: #7 of 171 inventorsTop 5%
Overall (1989): #22,230 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4888097 Water purification method and apparatus David G. Palmer, David J. Shannon 1989-12-19
4805692 Condenser for water purification apparatus David G. Palmer 1989-02-21