HG

Harry W. Girdley

HM Henry Vogt Machine: 2 patents #1 of 5Top 20%
📍 Louisville, KY: #1,258 of 3,201 inventorsTop 40%
🗺 Kentucky: #4,404 of 11,577 inventorsTop 40%
Overall (All Time): #2,330,953 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4834340 Quarter-turn plug valve having adjustable bonnet and tapered raised valve seats — 1989-05-30
4776566 Raised hardface overlay valve seat — 1988-10-11