Ann L. Engh

📍 Spencerville, OH: #3 of 9 inventorsTop 35%

🗺 Ohio: #30,338 of 73,341 inventorsTop 45%

Overall (All Time): #2,189,418 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6715740	Fill packs for use in heat and mass transfer devices	Herman Fay	2004-04-06
6517058	Fill packs for use in heat and mass transfer devices	Herman Fay	2003-02-11