| All Patents in class 33/833 |
Patents 1 -
15
of 48
      |
| Number | Date | Patentee | Title | Type |
| 98,106 | Dec. 21, 1869 | J. Potts | Improvement in combined square and caliper | squares |
| 356,533 | Jan. 25, 1887 | G.F. Hall | "Odd-Job" Layout Tool | marking gauges |
| 459,679 | Sep. 15, 1891 | D.J. Doane | Sliding Gage for Stonecutters' Use | special purpose gauges |
| 531,435 | Dec. 25, 1894 | H.J. Cogswell | Watchmaker's Length Gage | special purpose gauges |
| 535,287 | Mar. 05, 1895 | F.W. Hill | Measuring and regulating device for adjustable school furniture | |
| 565,358 | Aug. 04, 1896 | R.F. Langer | Target Meter | special purpose gauges |
| 610,286 | Sep. 06, 1898 | S.A. Seat | Gaging Attachment for Ruler | marking gauges |
| 649,626 | May 15, 1900 | H. Braun | Adjustable Level and Gage Attachment for Squares | |
| 653,229 | Jul. 10, 1900 | L.J. Gamble | Gage for Use With Rules | rule attachments |
| 760,106 | May 17, 1904 | C.G. Curtis | Elastic Fluid Turbine | steam turbines |
| 772,289 | Oct. 11, 1904 | E. Newman | Measuring Stick | measuring rods |
| 799,533 | Sep. 12, 1905 | C.D. Clark | Micrometer Height Gage | height gages |
| 812,411 | Feb. 13, 1906 | G.P. Doern | Gage Reading Device | gauges |
| 865,709 | Sep. 10, 1907 | W.H. Johnson | Device for Measuring Heights of Persons | measuring apparatus |
| 867,556 | Oct. 01, 1907 | R. Campbell | Combination Tool | try squares |
