DS

Darrel R. Sand

📍 Okemos, MI: #64 of 344 inventorsTop 20%
🗺 Michigan: #13,574 of 86,293 inventorsTop 20%
Overall (All Time): #731,994 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9657795 Stand alone liquid cooled brake system 2017-05-23
9292020 Fail safe engine coolant thermostat 2016-03-22
8556186 Fail safe engine coolant thermostat 2013-10-15
8413632 Zero ridge cylinder bore 2013-04-09
6475107 Golf tee height set apparatus 2002-11-05
6273208 Variable displacement vehicle engine and solid torque tube drive train 2001-08-14
4358121 Ring gap seal 1982-11-09