MD

Mark D. David

NO Nordco: 2 patents #19 of 74Top 30%
Overall (All Time): #1,788,433 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12152349 Rail ballast management and tie guide ski for use with rail tie exchanger Nichalos Lee Schultz, Matthew J. Orvedahl, Neil Patrick Creegan, Jerry J. Jacobs, Samuel E. Zauner 2024-11-26
11313083 Rail anchor applicator and cribber apparatus Julio Payan 2022-04-26