DA

David R. Ascroft

SP Smiths Industries Plc: 1 patents #7 of 32Top 25%
Xerox: 1 patents #5,237 of 8,622Top 65%
📍 Prestbury, GB: #3 of 15 inventorsTop 20%
Overall (All Time): #1,987,853 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9729748 Multi-function printing device having light guides between printing engine and scanner for measurement of print engine or other parameters Andrew S. Noren, Simon Gray, Peter D. Fraser, John K. Mangan, Michael John Wilsher 2017-08-08
5835000 Current transformer assemblies David Ian Colguhoun 1998-11-10