All Patents of Type: metallic levels |
Patents 1 -
15
of 27
|
Number | Date | Patentee | Title | Type |
28,104 | May 01, 1860 | W.T. Nicholson | Spirit Level | metallic levels |
68,961 | Sep. 17, 1867 | L.L. Davis | Improvement in Adjustable Spirit Levels | metallic levels |
D3,195 | Sep. 22, 1868 | L.L. Davis | Design for a Spirit Level | metallic levels |
D10,014 | May 29, 1877 | L.L. Davis | Design for Spirit Levels | metallic levels |
D10,015 | May 29, 1877 | L.L. Davis | Design for Spirit Levels | metallic levels |
D10,016 | May 29, 1877 | L.L. Davis | Design for Spirit Levels | metallic levels |
191,389 | May 29, 1877 | T. Bedworth, F.T. Ward | Improvement in Spirit Levels | metallic levels |
288,624 | Nov. 20, 1883 | L.L. Davis | Spirit Level and Plumb | metallic levels |
297,574 | Apr. 29, 1884 | L.L. Davis | Spirit Level | metallic levels |
320,537 | Jun. 23, 1885 | B.B. Butt | Spirit Level | metallic levels |
354,076 | Dec. 07, 1886 | E.E. Webb | Spirit Level | metallic levels |
423,094 | Mar. 11, 1890 | E.H. Taylor | Apparatus for Leveling and Marking Shafts | metallic levels |
426,001 | Apr. 22, 1890 | H.W. Evans | Combined Square, Level & Surface Gage | squares |
511,377 | Dec. 26, 1893 | J.A. Traut | Spirit-Level | metallic levels |
D25,392 | Apr. 14, 1896 | L.S. Starrett | Design for a Plumb and Level Frame | metallic levels |