A catalogue showing the location of every model of patented inventions, in the new hall of the Patent office, with the class to which it belongs
Subtitle: also, the number on every shelf, and number of models of each kind; with general information for inventors, patentees, and those interested in patented inventions; also a list of the officers and clerks of the Patent office, with the respective classes to which the examiners are attached, and duties of the clerks, with the names and residences of some of the most ingenious inventors
By: Comp. by Alfred Hunter
Publisher: J. Kirkwood, Printer
Published: 1855
Place of publication: Washington
Language: eng
Number of pages: 72
Subjects: Inventions; United States. Patent Office