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Patents

 Subject
Subject Source: Library of Congress Subject Headings

Found in 15 Collections and/or Records:

Edgar J. Thickstun collection

 Collection — Folder S2253
Identifier: S2253
Scope and Contents This collection includes photocopies of an April 23, 1892 letter sent to E. (Edgar) J. Thickstun of Belmont, Indiana from The Patentees' Union of Indianapolis, Indiana in response to a letter they received from Thickstun about selling his patent; a handwritten advertisement for the sale of his patent from circa 1893; and an unused supplementary agreement from the American Patent Agency of Cincinnati, Ohio from January 1894 that includes the signature of the manager, O.J. Bailey. ...
Dates: 1857-1894

Eleazer Coffin and Lafayette D. Railsback patents

 Collection — Folder OBC022
Identifier: OBC022
Scope and Contents This collection contains a patent for Eleazer Coffin for a dovetailing machine dated 1861 and a patent for Lafayette D. Railsback for an ice making machine dated 1892.
Dates: 1861; 1892

Eli Keith and Barclay Thorn patent

 Collection — Folder OBC043
Identifier: OBC043
Scope and Contents This collection contains a patent for Eli Keith and Barclay Thorn regarding leather tanning, dated September 12, 1865.
Dates: 1865/09/12

Eugene L. Teal papers

 Collection — Folder S1635
Identifier: S1635
Scope and Contents This collection includes several letters sent in 1906 to Eugene L. Teal of Anderson, Indiana from Joseph McGee of Kamloops, British Columbia regarding a gold and copper mining; a September 1906 letter from H. Clay Read of Big Springs, Texas asking for particulars about a gold and copper mine; a February 10, 1906 legal document transfering Hampton E. Jackson's patent for improvements to plunger valves to Teal for one dollar; an undated advertisement for the Jackson "Universal Plunger" by the...
Dates: 1906-1907, undated

Ezra T. Gilliland collection

 Collection — Volume V016
Identifier: V016
Scope and Contents This collection includes two volumes containing information regarding patents compiled by Ezra T. Gilliland circa 1882. The first volume includes a list of inventors arranged chronologically by date and patent number, starting with E. R. Roe from 1848 (patent no. 5.612) and ending with James G. Smith from 1882 (no. 258.681). In the second volume, Gilliland organizes the same inventors by categories: annunciators, electric lights, magneto-electric machines, electrical switches, telephones, and...
Dates: circa 1866

George C. Cram Company collection

 Collection
Identifier: L511
Scope and Contents This collection contains items from the George C. Cram Company ranging from 1845 to 1955 and includes a notebook with patent documents, images and specs (1845-1947); the booklet Trade-Marks, Trade-Names, Unfair Competition by the law offices of Linton, Kellogg, Robic and Bastien (1926); patent document for Arthur Schrenkeisen's globe (1920); correspondence regarding patent dispute (1935-1951); the National Map Company ledger (1916-1917); a company scrapbook with clippings, brochures,...
Dates: 1845-1955

George Harlan patent certificate

 Collection — Folder OBC004
Identifier: OBC004
Scope and Contents This collection contains a document certifying that George Harlan’s application for a patent for an improvement that he made to a corn drill was approved on April 30, 1861.
Dates: 1861/04/30

Indiana inventors and patent list of 1862

 Collection — Folder S2766
Identifier: S2766

J.M. Lunsford patent

 Collection — Folder S3260
Identifier: S3260
Scope and Contents This collection consists of a Letters Patent No. 87,055 to J. M. Lunsford for vehicle improvements, specifically in securing the hub of a carriage wheel to a spindle, dated February 16, 1869.
Dates: 1869/02/16

John R. Simpson papers

 Collection
Identifier: L144
Scope and Contents This collection includes autographed, signed letters and business correspondence from John R. Simpson and his family and friends in Paoli, Indiana and elsewhere ranging from 1822 to 1875 regarding family matters, patents, and land grants.
Dates: 1822-1875