YA

Yngve Alvarsson

Overall (All Time): #1,668,134 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4935186 Method of manufacturing concrete beams — 1990-06-19
4712943 Method and machine for levelling concrete when casting large concrete areas — 1987-12-15
4598517 Floor laying arrangement — 1986-07-08