An Embodiment OF THE EXISTING PATENT LAWS; OR, THE ACT ENTITLED "AN ACT TO PROMOTE THE PROGRESS OF USEFUL ARTS, AND TO REPEAL ALL ACTS AND PARTS OF ACTS HERETOFORE MADE FOR THAT PURPOSE," APPROVED JULY 4th, 1836, AS AMENDED BY SUBSEQUENT ACTS; WITH OTHER MATTER USEFUL TO INVENTORS AND DEALERS IN PATENT RIGHTS
- Softcover
- City of Philadelphia, PA , 1861
City of Philadelphia, PA, 1861. Softcover. Very Good. Second edition, embodying the Act of March 3d. Black stamped green wrappers. 16pp. Printed ad for "Morison's Office for Procuring American Patents...Philadelphia, PA" on rear wrapper. A very good copy with modest soiling.