Patents/Inventors

Douglas Swingley

Agua Dulce, CAUS2 patents

3 Patents

US121402582024
Sweep Elbow Pipe Connector with Optimized Flow Path
Spears Manufacturing Co.
0 cites
US120706402024
Pipe Fitting Incorporating a Spherical Spin Weld
Spears Manufacturing Co.
0 cites
US115854772023
Sweep Elbow Pipe Connector with Optimized Flow Path
Spears Manufacturing Co.
0 cites