Assignee
JOHN C KUPFERLE FOUNDRY COMPAN
US·3 granted patents·88 citations·filing 1991–2003
Top patents by PatentIndex Score
3 records- 0183US6820635B1Flushing attachment for hydrantJOHN C KUPFERLE FOUNDRY COMPAN·Filed 2003·Granted Nov 23, 2004·33 cites·30 claims
- 0277US6684900B1Installation device for yard hydrantJOHN C KUPFERLE FOUNDRY COMPAN·Filed 2002·Granted Feb 3, 2004·23 cites·22 claims
- 0363US5201338ASystem and device for flushing water mainsJOHN C KUPFERLE FOUNDRY COMPAN·Filed 1991·Granted Apr 13, 1993·32 cites·22 claims
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