Annual report of the Commissioner of Patents for the year .. (1871)
United States. Patent Office · Washington : G.P.O · leaf 70
ILLUSTRATIONS OF PATENTS 111,533 111,519 111.519 ALFRED DAY. CLOTHES-DRIERS. 111.526. DAVID C. G. FIELD. … STEAM-GENERATORS. 111,520. E. J. DE SMEDT. ASPHALT CEMENT FOR PAVEMENTS. DRAIN-PIPES. &.r. 111,521, D. FEANKLHs" DODGE. MAIL-BAG FASTENINGS. -£— W ■**- 111,532. JESSE R. GROUP. 111,5«2, W B. DOUGLASS MACHINES FOR BORING POSTS. CARRIAGE-CURTAIN KNOBS. ! 14,528. GEOBCE DBAPEB. MACULES FOR WARPING…
United States. Patent Office · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
