1. Testimony in the matter of the application of B. Frank. Palmer for the extension of his patent for an artificial leg: read before the Hon. Commissioner of Patents, October 22, 1860 : extension granted Nov. 3, 1860 Author(s): Stansbury, Charles F. (Charles Frederick), -1882 Publication: Philadelphia : C. Sherman & son, printers, 1862 Subject(s): Artificial LimbsPatents as TopicUnited States
