Patents/Inventors

John Danneffel

Port CoquitlamCA2 patents

3 Patents

US122590802025
Pipe Thread Protector with Removable End Member and Interference-fit Protrusion
Universal Moulding Co. Ltd.
0 cites
USD10253082024
Pipe Thread Protector
Universal Moulding Co. Ltd.
0 cites
US117740292023
Open-ended Pipe Thread Protector with Seal Thereon and Seal Therefor
Universal Moulding Co. Ltd.
0 cites