RA

Robert T. Ackerman

NM Nicholson Manufacturing: 5 patents #2 of 16Top 15%
Overall (All Time): #1,057,107 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5472027 Log bark slitting machine 1995-12-05
5070919 Rotary cutters for ring debarkers 1991-12-10
4844201 Recirculating oil lubrication system for rotary ring log barkers 1989-07-04
4653559 Forwardly-projecting debarking tool barker arm 1987-03-31
4566371 Variable pneumatic pressure force-transmitting mechanism Ray B. Jorgensen 1986-01-28