Assignee

SAMMANN JESS

1 granted patent·6 citations·filing 2008–2008

Technology mixE21B1

Top patents by PatentIndex Score

1 record

0149US7571764B1Well cover plate arrangement and method of useSAMMANN JESS·Filed 2008·Granted Aug 11, 2009·6 cites·14 claims

Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →