Assignee
HENKENJOHANN JOHANN
DE·3 granted patents·103 citations·filing 1981–1990
Top patents by PatentIndex Score
3 records- 0170US4986331AClosure openable and closable by a drive for an aperture, such as a door or gate, comprising interhinged slatsHENKENJOHANN JOHANN·Filed 1989·Granted Jan 22, 1991·43 cites·10 claims
- 0266US5123473ARoller blind for windows, doors or the likeHENKENJOHANN JOHANN·Filed 1990·Granted Jun 23, 1992·39 cites·30 claims
- 0357US4365660ARoller blindHENKENJOHANN JOHANN·Filed 1981·Granted Dec 28, 1982·21 cites·8 claims
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