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John W. Sheffield

SI Siemens Industry: 2 patents #214 of 836Top 30%
📍 Forney, TX: #23 of 62 inventorsTop 40%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,106,846 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7942415 Mail sorting machine with improved diverter panel Kenneth S. Hastings, John Ivey 2011-05-17
D603629 Double door for a postal sorting machine Kenneth S. Hastings, John Ivey 2009-11-10