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5 results. Displaying results 1 - 5.

Name/Title Maker and role Production date Object number
Letter Opener Letter Opener
DuPont Co. (E. I. du Pont de Nemours & Co.) (estab. 1802, closed 2017), Manufacturer
1920-1930s
99.4.6
Patent Model - Improvement in Pinchers Patent Model - Improvement in Pinchers
George Strong, Patentee
May 11 1875
2015.14.1946a,b
Eprouvette Eprouvette
18th Century
2006.14.1
Patent Model - Improved Pad-Billet Patent Model - Improved Pad-Billet
Lydia Hays (b.1841, d.1889), Patentee
Jun 09 1868
2015.14.876a,b
Jackknife Jackknife
Samuel C. Wragg (b.1830s, d.1840s), Maker
Circa 1840-1850
66.21.8
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