DT

David Charles Tyrer

Overall (All Time): #1,516,960 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9200514 Tubular rock anchor Martin Cawood, At Jacobs, Paolo Ettore Pastorino, Diedrick Kapp, Nicholas Marvin +2 more 2015-12-01
8985910 Adhesive containing tubular rock anchor Martin Cawood, At Jacobs, Paolo Ettore Pastorino, Diedrick Kapp, Nicholas Marvin +2 more 2015-03-24
6813955 Inflatable tensioning device John Paul McKelvey 2004-11-09