| All Patents in class D15 |
Patents 16 -
30
of 400
      |
| Number | Date | Patentee | Title | Type |
| D4,321 | Aug. 30, 1870 | A. Wallace | Design for the frame of an emery grinder | grinding machines |
| D4,439 | Oct. 25, 1870 | F.A. Pratt | Design for a drilling-machine | drill presses |
| D4,615 | Jan. 31, 1871 | J.M. Cook | Design for a Plow-Clevis | clevises |
| D4,653 | Feb. 14, 1871 | J.A. Lynch | Design for an engine-governor case | steam engine governors |
| D4,924 | May 23, 1871 | J.L. Haven | Design for a housing-plate | |
| D5,048 | Jun. 27, 1871 | C.E. McBeth, F. Bentel, W.C. Margedant | Design for boring-machines | drill presses |
| D5,268 | Sep. 19, 1871 | W.H. Doane | Design for a band-saw frame | bandsaws |
| 124,089 | Feb. 27, 1872 | H.S. Shepardson | Improvement in bits | drill bits |
| D6,764 | Jul. 08, 1873 | S.W. Putnam, Jr. | Design for frame of bolt-threading machines | metal threading machines |
| D6,803 | Aug. 12, 1873 | L.M. Collins | Design for band-saw frame | bandsaws |
| D6,933 | Oct. 07, 1873 | B.L. Lathrop | Lathe Dog | lathe dogs |
| D6,935 | Oct. 07, 1873 | J.M. Marston | Design for frame for machines | tablesaws |
| D7,206 | Feb. 24, 1874 | G. Holtzmann | Design for a scroll-saw frame | scrollsaws |
| 155,333 | Sep. 22, 1874 | W.L. Parmelee | Improvement in expansion-bits | adjustable drill bits |
| D7,905 | Dec. 01, 1874 | T.E. Chandler | Design for a muley-saw frame | reciprocating sawmills |
