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| All Patents of Type: bulldozers | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,843,213 | Jul. 15, 1958 | D.M. Schwartz | Material Handling Machine | bulldozers | |
| 2,977,696 | Apr. 04, 1961 | T.V. Williams | Grubber Attachment for Bulldozers | bulldozers | |
| 4,201,268 | May 06, 1980 | C.M. Frisbee | Adjustment Mechanism for Dozer Blade | bulldozers | |