RJ

Robert Scott Johnston

📍 Squamish, CA: #44 of 71 inventorsTop 65%
Overall (All Time): #3,653,000 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5918806 Electrically insulated railway cross tie Sean Keightley, Joseph David Sowden Broadbent, Brent Andrew Jarvis 1999-07-06