JB

John D. Butler

ME Mechtrix: 3 patents #1 of 2Top 50%
FW Federal-Mogul Worldwide: 1 patents #1 of 17Top 6%
SC Southwire Company: 1 patents #1 of 13Top 8%
📍 New Berlin, WI: #1 of 31 inventorsTop 4%
🗺 Wisconsin: #14 of 1,637 inventorsTop 1%
Overall (1989): #2,735 of 140,708Top 2%
5
Patents 1989

Issued Patents 1989

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4870878 Apparatus and method for removing a slug of insulation along a length of insulated wire Keith A. Johnson 1989-10-03
4852433 Interlocking blade pair for stripping insulated electrical conductors 1989-08-01
4844426 Vertical shaft furnace for melting aluminum David A. Barnes, Joseph A. Bass, Robert H. McKenzie 1989-07-04
4826067 Sonic wire welders 1989-05-02
4822058 Radial lip seal Jon A. Chandler 1989-04-18