United States. Patent and Trademark Office
Organization
Found in 2 Collections and/or Records:
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
