LS

Leonard D. Steffan

OC Owens-Brockway Glass Container: 2 patents #144 of 327Top 45%
OW Owens-Illinois: 2 patents #89 of 322Top 30%
📍 Perrysburg, OH: #132 of 459 inventorsTop 30%
🗺 Ohio: #18,857 of 73,341 inventorsTop 30%
Overall (All Time): #1,291,208 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5562747 Method of distributing molten glass gobs in an IS machine D. Wayne Leidy 1996-10-08
5405424 Servo controlled glass gob distributor D. Wayne Leidy 1995-04-11
4615722 Valve block test apparatus Wilbur L. McCoy 1986-10-07
4499920 Apparatus for controlling a valve Robert Kohler 1985-02-19