| All Patents in class 33/538 |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
 | 1,169,900 | Feb. 01, 1916 | W. Winter | Sine-Bar |
 | 1,169,928 | Feb. 01, 1916 | W.C. Commons | Movable Sine-Bar |
 | 2,351,773 | Jun. 20, 1944 | H.J. Lovenston | Device for Determining Angles |
| | 2,365,436 | Dec. 19, 1944 | L.H. Saucier | Adjustable Angle Plate |
| | 2,366,385 | Jan. 02, 1945 | H.B. Comfort | Angle Plate |
| | 2,565,924 | Aug. 28, 1951 | A.H. Kraft | Machine-Tool Angle Bar |
 | 2,889,757 | Jun. 09, 1959 | D.J. Cole | Machine tool vise |
| | 3,061,935 | Nov. 06, 1962 | J.T. De Witt | Instrument for Determining Angles |
 | 3,432,934 | Mar. 18, 1969 | H. Schmidt | Sine plate assembly |
