A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A working end of a plunger comprises of a neck for combining the working end to the handle, a bell combined to the neck and defining an interior cavity, and at least two reinforcement members extending on an outer surface of the bell from the neck down toward at least one rib extending around a circumference of the bell.
A working end of a plunger comprises of a neck for combining the working end to the handle, a bell combined to the neck and defining an interior cavity, and at least two reinforcement members extending on an outer surface of the bell from the neck down toward at least one rib extending around a circumference of the bell.
Toilet and drain plunger
WAITE JEFF (author)
2019-06-25
Patent
Electronic Resource
English