Patents/Inventors

Donald H. Sandbrook

Palmerston NorthNZ10 patents

11 Patents

US122434242025
Vehicle Flow Monitoring System
Frogparking Limited
0 cites
US122133932025
Agricultural Weed Removal System
Greentech Robotics Limited
0 cites
US121959342025
Vehicle Barrier Gate System
Frogparking Limited
0 cites
US121633702024
Vehicle Barrier Gate System
Frogparking Limited
0 cites
US121655122024
Vehicle Presence Detection System
Frogparking Limited
0 cites
US119484582024
Vehicle Flow Monitoring System
Frogparking Limited
0 cites
US118756792024
Vehicle Presence Detection System
Frogparking Limited
0 cites
US118211552023
Vehicle Barrier Gate System
Frogparking Limited
0 cites
US117984142023
Vehicle Flow Monitoring System
Frogparking Limited
0 cites
US117612562023
Vehicle Barrier Gate System
Frogparking Limited
0 cites
US116104872023
Vehicle Presence Detection System
Frogparking Limited
0 cites