Inventor · disambiguated record
Derk Kleis
Also filed as: KLEIS DERK
2 granted patents·39 citations·filing 1978–1980
63Inventor score
Files withPHILIPS CORP2
Top patents by PatentIndex Score
2 records- 0172US4322579ASound reproduction in a space with an independent sound sourcePHILIPS CORP·Filed 1980·Granted Mar 30, 1982·27 cites·13 claims
- 0238US4233472ALoudspeaker combination, comprising a plurality of dynamic loudspeakers, which are arranged adjacent each other in substantially one continuous planePHILIPS CORP·Filed 1978·Granted Nov 11, 1980·12 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →