CF

Conrad T. Freerks

3M: 6 patents #2,536 of 11,543Top 25%
Overall (All Time): #891,961 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5222331 Abrading assembly Edward L. Manor 1993-06-29
4937983 Abrasive disc back up assembly Frederick R. Luecke, Thomas L. Jones 1990-07-03
4523411 Wet surface treating device and element therefor 1985-06-18
4484419 Block for wet abrading 1984-11-27
4455788 Abrasive wheel and drive spindle combination with improved attaching means 1984-06-26
4356670 Apparatus and method for in-line planing of lumber using angled abrasive head 1982-11-02