Subject heading
Patents
4 books carry this heading. It is a source-library term, kept as recorded; related traditions and headings below are drawn from co-occurrence, not editorial judgment.
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Books
Open in Browse4 books
Era
- Read free
Specification of Adolphus Theodore Wagner
Adolphus Theodore Wagner
1854
- Read free
Levi Woodbury family papers
Levi Woodbury
1865
[William Wheeler Hubbell, authorized to apply for patents.]
United States. Congress. Senate. Committee on Patents
1858
Edward L. Walker
United States. Congress. House. Committee on Patents
1882