CO

Charles M. O'Keefe

IT Irwin Industrial Tool: 6 patents #29 of 165Top 20%
📍 Monson, MA: #10 of 51 inventorsTop 20%
🗺 Massachusetts: #20,307 of 88,656 inventorsTop 25%
Overall (All Time): #858,097 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
D714602 Reciprocating saw blade Douglas K. Fosberg 2014-10-07
D693661 Reciprocating saw blade Douglas K. Fosberg 2013-11-19
8360696 Quick change arbor, hole cutter, and method James E. Pangerc 2013-01-29
8328476 Quick change arbor, hole cutter, and method Joseph Thomas Novak, James E. Pangerc 2012-12-11
D642028 Reciprocating saw blade Douglas K. Fosberg 2011-07-26
7073992 Arbor for hole cutter and related method of use William B. Korb 2006-07-11