| All Patents of Type: pendulum levels |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 956 | Oct. 03, 1838 | L. Lewis | Balance and Pendulum Level and Plumb | pendulum levels |
| 9,722 | May 17, 1853 | T.A. Chandler | Pendulum Level | inclinometers |
| 49,802 | Sep. 05, 1865 | B.F. St. John | Improvement in Pendulum Levels | pendulum levels |
| 51,517 | Dec. 12, 1865 | B.G. Martin | Combination Calipers and Level | calipers |
| 51,564 | Dec. 19, 1865 | G. Cuppers | Inclinometer | inclinometers |
| 53,795 | Apr. 10, 1866 | M.W. Doran | Improvement in Plumb-Levels | pendulum levels |
| 58,271 | Sep. 25, 1866 | D. Masten | Improvement in Levels | pendulum levels |
| 69,602 | Oct. 08, 1867 | H. Baker, J.T. Zimmerman | Improvement in Plumb-Levels | pendulum levels |
| 370,013 | Sep. 13, 1887 | O.B. Fuller | Pendulum Level | pendulum levels |
| 372,456 | Nov. 01, 1887 | W. Cook | Saw-Filing Attachment | saw gauges |
| 423,090 | Mar. 11, 1890 | F.F. Smith | Combined Square, Plumb, and Level | squares |
| 441,772 | Dec. 02, 1890 | K. Miller | Plumb-Level | pendulum levels |
| 917,179 | Apr. 06, 1909 | C. Sprigg | Measuring Instrument | pendulum levels |
| 997,371 | Jul. 11, 1911 | R.E. Chase | Plumb Level | pendulum levels |
| 1,003,863 | Sep. 19, 1911 | J. Arnet | Listing Indicator | pendulum levels |
