Argument in behalf of the extension of the patent of B. Frank Palmer for an improvement in artificial legs, dated November 4th. 1846 before the Hon. Philip F. Thomas, Commissioner of Patents: hearing, 22d October, 1860
In the matter of the application of B. Frank Palmer, for the extension of letters patent, granted to him 4th November, 1846, for improvements in artificial legs : before the Hon. Philip F. Thomas, Commissioner of Patents : argument on behalf of the applicant
Stansbury, Charles F.
Baltimore : Murphy & Co., Publishers, Booksellers, Printers and Stationers, [1860?]
Palmer, B. Frank (Benjamin Franklin)
See catalog record: 101222734