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Ephraim H. Bender
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Ephraim H. Bender
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Name/Title:
Patent Model - Improvement in Wipers for Blackboards
Maker and role:
Philander Perry, Patentee, Philander Perry, Assignee, Ephraim Bender, Assignee
Production date:
Sep 30 1862
Object number:
2015.14.409a-c
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