Search Results for: Non electric motor tool
(class / ) with non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.)
fixed moldboard (class / ) including tool rotatable about vertical axis (class / ) including smooth levelling roller (class / ) rolling and non-rolling (class / ) diverse rolling (class / ) runner attached (class / ) including fabric or flexible tool (class / ) including vertical, longitudinally oriented...
https://patents.justia.com/patents-by-us-classification/172