SJ

Stanley N. Johnson

CL Coal Industry (Patents) Limited: 1 patents #73 of 230Top 35%
📍 Lichfield, MN: #2 of 2 inventorsTop 100%
Overall (All Time): #2,290,283 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D363993 Inflatable shelter Gerald J. Smith 1995-11-07
4194790 Rock cutting tip inserts Peter M. Kenny 1980-03-25