Inventor · disambiguated record

Engelbert Brunner

Also filed as: BRUNNER ENGELBERT

2 granted patents·23 citations·filing 1983–1983

59Inventor score

Technology areasB43K

Files withSTAEDTLER FA J S1 STAEDTLER J S KG1

Top patents by PatentIndex Score

2 records

0155US4538934AAutomatic lead advancing mechanism for a mechanical pencilSTAEDTLER J S KG·Filed 1983·Granted Sep 3, 1985·18 cites·18 claims
0233US4809023AAutomatic pencil device for automatic drafting and writing machinesSTAEDTLER FA J S·Filed 1983·Granted Feb 28, 1989·5 cites·13 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →