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Patents

 Subject
Subject Source: Library of Congress Subject Headings

Found in 2 Collections and/or Records:

Joseph R. Williams papers

 Record Group
Identifier: UA-2.1.1
Scope and Contents The first seventeen folders of this collection contain letters of correspondence with Joseph R. Williams prior to his acceptance of the presidency of the Michigan Agricultural College (now Michigan State University). Many of these letters are from his father and other family members. Additionally, there are letters to Williams, operating as a land speculator in Ohio and Michigan, from friends and business associates in Massachusetts and New York. The letters reflect a precarious economic...
Dates: 1827 - 1867

Lester Paige Breckenridge papers

 Record Group
Identifier: UA-17.8
Scope and Contents

The collection consists of Breckenridge’s responses to correspondence including information about his attempts to patent an automatic recording machine, his position at Yale, and Jeme Tien Yow, a colleague and friend living in Peking, China.

Dates: 1892 - 1925