JM

John Mackelden

HP HP: 4 patents #3,523 of 16,619Top 25%
Overall (All Time): #1,229,501 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8576505 Tape drive apparatus and method Nigel Evans, Andrew Clarke 2013-11-05
7379255 Data structure, data storage apparatus and method Nigel Evans, Andrew Clarke 2008-05-27
7324297 Data storage apparatus and method Nigel Evans, Andrew Clarke 2008-01-29
7321478 Data transfer apparatus head cleaning Nigel Evans, Andrew Clarke 2008-01-22