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Henry Arthur Hopgood — 1 Patent

Cromwell, NZ: #1 of 2 inventorsTop 50%

Overall (All Time): #3,644,475 of 4,157,543Top 90%

1 Patents All Time

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5882026	Rotary drive mechanism	—	1999-03-16