DH

David William Hawkins

RA Rhone-Poulenc Agriculture: 14 patents #1 of 58Top 2%
RI Rhone-Poulenc Industries: 6 patents #15 of 201Top 8%
MB May & Baker: 2 patents #29 of 85Top 35%
ME Merial: 2 patents #129 of 414Top 35%
RA Rhone-Poulenc Agro: 1 patents #21 of 72Top 30%
📍 Romford, GB: #3 of 160 inventorsTop 2%
Overall (All Time): #147,703 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
5055482 N-phenylpyrazol-4-yl ether derivatives Leslie R. Hatton, Richard G. Pennicard, David A. Roberts 1991-10-08
4963575 Derivatives of N-phenylpyrazoles, compositions and use Ian G. Buntain, Leslie R. Hatton, Christopher J. Pearson, David A. Roberts 1990-10-16