A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
EXTENSIBLE LADDER
An adjustable-height ladder includes left and right legs and a series of horizontal steps coupled to the left and right legs. The ladder also includes a utility tray.
EXTENSIBLE LADDER
An adjustable-height ladder includes left and right legs and a series of horizontal steps coupled to the left and right legs. The ladder also includes a utility tray.
EXTENSIBLE LADDER
BROWN EVAN A (author) / LAWRENCE KYLE J (author) / BOYER JASON A (author)
2021-10-28
Patent
Electronic Resource
English
IPC:
E06C
LADDERS
,
Leitern
EXTENSIBLE LADDER AND BOAT COMPRISING SAID EXTENSIBLE LADDER
| European Patent Office | 2024