Patents/Inventors

Lawrence E. Duwell

Plymouth, WIUS3 patents

4 Patents

US123450352025
Toilet with Non-vitreous Flush Engine
Kohler Co.
0 cites
US121633212024
Universal Canister Flush Valve
Kohler Co.
0 cites
US118669212024
Toilet with Non-vitreous Flush Engine
Kohler Co.
0 cites
US117611892023
Plumbing Fixture with Drain-casted Jet Orifice
0 cites