Assignee
SPEIDEL & KELLER KG
DE·3 granted patents·38 citations·filing 1979–1991
Top patents by PatentIndex Score
3 records- 0181US4334180AElectromagnetic driving mechanism for oscillating displacement pumpsSPEIDEL & KELLER KG·Filed 1979·Granted Jun 8, 1982·36 cites·23 claims
- 0227US5375605ABlood pressure measuring deviceSPEIDEL & KELLER KG·Filed 1991·Granted Dec 27, 1994·1 cites·7 claims
- 0327US4915348AExhaust valve for blood pressure measuring apparatusSPEIDEL & KELLER KG·Filed 1989·Granted Apr 10, 1990·1 cites·11 claims
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