Assignee
ZUBER KARL BLEISTIFTMASCH
DE·2 granted patents·11 citations·filing 1982–1983
Top patents by PatentIndex Score
2 records- 0133US4509245AApparatus for securing parts on elongated writing instruments, in particular for securing an eraser for a sheath receiving it on a pencilZUBER KARL BLEISTIFTMASCH·Filed 1983·Granted Apr 9, 1985·6 cites·19 claims
- 0231US4520548AMethod and apparatus for fastening an eraser to a pencilZUBER KARL BLEISTIFTMASCH·Filed 1982·Granted Jun 4, 1985·5 cites·11 claims
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