RB

Robert L. Bratchell

MO Monier: 1 patents #11 of 22Top 50%
Overall (All Time): #1,660,054 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5083706 Concrete sleeper with east-in insert cooperating with a fastener assembly — 1992-01-28
4946099 Sleeper construction — 1990-08-07
4717114 Concrete sleeper mould — 1988-01-05