DN

Donald Nicholson

📍 Calabasas, CA: #632 of 4,119 inventorsTop 20%
🗺 California: #93,399 of 386,348 inventorsTop 25%
Overall (All Time): #888,622 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5628675 Pipe end beveling apparatus Terry Scott Brown 1997-05-13
4828803 Swimming pool chemical dispenser and method of making same Robert Nordmyer 1989-05-09
4828804 Swimming pool chemical dispenser with restraining tether Robert Nordmyer, Greg Robert Boyle 1989-05-09
4825528 Chemical depletion signal for a swimming pool chemical dispenser Robert Nordmyer 1989-05-02
4822571 Metering mechanism for a swimming pool chemical dispenser Robert Nordmyer 1989-04-18
4819293 Adapter and pole assembly 1989-04-11