FH

Frank Heger

HT Helix Technology: 1 patents #58 of 132Top 45%
Overall (All Time): #3,902,638 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4924675 Linear motor compresser with stationary piston Graham J. Higham, Gerald R. Pruitt, Ronald N. Morris, James Livingstone, David Tormey 1990-05-15