FO

Friedrich Oellerer

Overall (1989): #10,814 of 140,708Top 8%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4884509 Mobile tie gang apparatus Josef Theurer, Johann Hansmann 1989-12-05
4829907 Mobile installation for loading, transporting and unloading as well as exchanging railroad ties Josef Theurer, Johann Hansmann 1989-05-16
4794861 Tie exchange method Josef Theurer, Johann Hansmann 1989-01-03