| All Patents of Type: graders and dozers |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 810,478 | Jan. 23, 1906 | C.D. Edwards | Landside-wheel | construction machines |
| 900,369 | Oct. 06, 1908 | E.A. Hollenbeck | Road Grader | graders and dozers |
| 945,560 | Jan. 04, 1910 | A.O. Lombard | Machine for making roads | road machines |
| 1,723,019 | Aug. 06, 1929 | R.A. Edwards | Road grader | graders and dozers |
| 1,924,572 | Aug. 29, 1933 | H.H. Samuel | Road grading apparatus | graders and dozers |
| 2,090,324 | Aug. 17, 1937 | J. Boisvert | Road grader attachment | graders and dozers |
| 3,396,860 | Aug. 13, 1968 | J.V. Wright, W.J. Witwer | Excavator and grader or crane apparatus | excavators |
| CA-822,521 | Sep. 09, 1969 | W.J. Witwer, J.V. Wright | Excavator and grader or crane apparatus | excavators |
