HG

Hans Guntermann

Overall (1994): #129,198 of 165,921Top 80%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5306361 Method for improving service life of rail welds by aluminothermic heat treatment Gordon O. Besch, Robert H. Kachik, Mark A. Swartz, Frank Kuster 1994-04-26