Gerrard A. Birchall

DL Dearborn Chemical Company Limited: 1 patents #16 of 31Top 55%

📍 Rainford, GB: #3 of 5 inventorsTop 60%

Overall (All Time): #4,020,933 of 4,157,543Top 100%

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4539071	Biocide	Richard P. Clifford	1985-09-03