Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Rake device for cleaning rain gutters and roof valleys
A rake device for cleaning rain gutters and roof valleys which includes a rake which is pivotally secured to an elongated support pole to enable the rake to be positioned in multiple positions with respect to the support pole to reach multiple portions of the rain gutter or the roof valley.
Rake device for cleaning rain gutters and roof valleys
A rake device for cleaning rain gutters and roof valleys which includes a rake which is pivotally secured to an elongated support pole to enable the rake to be positioned in multiple positions with respect to the support pole to reach multiple portions of the rain gutter or the roof valley.
Rake device for cleaning rain gutters and roof valleys
RAMSEY MARK C (Autor:in) / FOSTER ROBERT A (Autor:in)
26.07.2022
Patent
Elektronische Ressource
Englisch
| Engineering Index Backfile | 1954