Edwin R. Kraft

📍 Frederick, MD: #322 of 816 inventorsTop 40%

🗺 Maryland: #13,387 of 35,612 inventorsTop 40%

Overall (All Time): #2,198,568 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6516727	High capacity multiple-stage railway switching yard	—	2003-02-11
6418854	Priority car sorting in railroad classification yards using a continuous multi-stage method	—	2002-07-16