OH

Otto A. Huiber

HL Hi-Tech Engineering Limited: 2 patents #1 of 6Top 20%
Overall (All Time): #2,346,900 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4573343 Valve leak detector — 1986-03-04
4536134 Piston seal access apparatus — 1985-08-20