GK

Gerard Henry Koldyk

RT Railpower Technologies: 1 patents #5 of 11Top 50%
📍 North Vancouver, CA: #322 of 800 inventorsTop 45%
Overall (All Time): #2,231,744 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6308639 Hybrid battery/gas turbine locomotive Frank Wegner Donnelly 2001-10-30
5344490 Plasticised gypsum composition Peter Paul Roosen, Frank Pap 1994-09-06