Inventor · disambiguated record
Ronald Pierre Griessen
Also filed as: GRIESSEN RONALD P · GRIESSEN RONALD PIERRE
2 granted patents·1 pending application·60 citations·filing 1996–2009
63Inventor score
Top patents by PatentIndex Score
3 records- 0172US5635729AHydrogen-activated thin film switching devicePHILIPS CORP·Filed 1996·Granted Jun 3, 1997·55 cites·12 claims
- 0266US8474177B2Reflecting device, solar collector, pitched roof provided with a solar collector of this type, and greenhouseGRIESSEN RONALD PIERRE·Filed 2009·Granted Jul 2, 2013·5 cites·25 claims
- 0339US2008291452A1Optical Switching DeviceADVANCED CHEM TECH·Filed 2006·Application pending·0 cites
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