Individual holder
EHRLE SYLVESTER L
US·2 granted patents·3 citations·filing 1989–1992
Individually held — no corporate assignee on record.
Technology mixG07F2
Top patents by PatentIndex Score
2 records- 0115US4960226AApparatus for dispensing pencils with erasure ferrules having a hopper with a coating on its surface that prevents the ferrules from contacting the hopperEHRLE SYLVESTER L·Filed 1989·Granted Oct 2, 1990·3 cites·5 claims
- 0213US5269439ADispenser lockEHRLE SYLVESTER L·Filed 1992·Granted Dec 14, 1993·0 cites·6 claims
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