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The Duck & Game Call Patent Archive

Patents that talked to the birds

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Lock mechanism

Patent drawing of a mail bag with hinged locking plates along its mouth, showing the bag closed with a padlock in Fig. 1, open with interlocking flanged plates in Fig. 2, a cross-section in Fig. 3, and enlarged hinge and lock details in Figs. 4 and 5.

MAIL-BAGJohn C. Gunn · September 14, 1886

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