Inventor · disambiguated record
Adrianus R. C. Engelfriet
Also filed as: ENGELFRIET ADRIANUS R C
3 granted patents·51 citations·filing 1980–1990
72Inventor score
Files withPHILIPS CORP3
Top patents by PatentIndex Score
3 records- 0169US5406042ADevice for and method of providing marks on an object by means of electromagnetic radiationPHILIPS CORP·Filed 1990·Granted Apr 11, 1995·29 cites·28 claims
- 0254US4392397AMethod of producing a drawing diePHILIPS CORP·Filed 1980·Granted Jul 12, 1983·16 cites·4 claims
- 0330US5115557AMethod of connecting a conductor wire to a hook-shaped elementPHILIPS CORP·Filed 1990·Granted May 26, 1992·6 cites·3 claims
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