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David Robert Percival — 1 Patent

DEDelavan: 1 patents #70 of 131Top 55%

Warrington, GB: #118 of 259 inventorsTop 50%

Overall (All Time): #2,406,284 of 4,157,543Top 60%

1 Patents All Time

David Robert Percival has been granted 1 US patent while listed as an inventor at Delavan. All of these patents were granted in 2009. David Robert Percival ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David Robert Percival in Warrington, GB.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
7611079	Spray nozzle	Frank Whittaker, James Lloyd	2009-11-03

David Robert Percival — 1 Patent

Issued Patents All Time

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