Argument in behalf of the extension of the patent of B. Frank. Palmer, for an improvement in artificial legs, dated November 4th, 1846
Subtitle: before the Hon. Philip F. Thomas, commissoner of patents, hearing, 22d October, 1860
By: by Charles F. Stansbury
Contributors: United States. Patent Office
Publisher: Murphy & Co.
Published: 1860
Place of publication: Baltimore
Language: eng
Number of pages: 21
Subjects: Trials, litigation; Patent extensions; Artificial legs; Patents
Notes: Cover title.