GS

Glen John Siefert

US Union Switch & Signal: 1 patents #3 of 14Top 25%
📍 Pittsburgh, PA: #54 of 319 inventorsTop 20%
🗺 Pennsylvania: #989 of 4,367 inventorsTop 25%
Overall (1997): #183,828 of 185,788Top 100%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5675868 Latching device for a door of a railway train stop housing Ross Edward Ferguson, Mike Sterling 1997-10-14