JC

Joel Crawford

Overall (All Time): #2,019,683 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9527448 Retractable stair system with precision elevation control Jack Kay 2016-12-27
5649221 Reverse electronic dictionary using synonyms to expand search capabilities H. Vance Crawford 1997-07-15