LE

Lawrence A. J. van Eyken

CL Canadian Patents And Development Limited: 1 patents #88 of 449Top 20%
QK Queen'S University At Kingston: 1 patents #221 of 506Top 45%
Overall (All Time): #2,354,433 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4534527 All weather switch for railroads Semion Perlin 1985-08-13
4356773 Hydraulically driven railway car 1982-11-02