University of Maine From the SelectedWorks of William B. Krohn December, 2015 e Johnson fish hook – does the patent drawing tell the full story? William B. Krohn Available at: hps://works.bepress.com/william_krohn/60/
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University of Maine
From the SelectedWorks of William B. Krohn
December, 2015
The Johnson fish hook – does the patent drawingtell the full story?William B. Krohn
Available at: https://works.bepress.com/william_krohn/60/
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