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Douglas M. Sheffield

📍 Chesterfield, MO: #214 of 755 inventorsTop 30%
🗺 Missouri: #755 of 2,707 inventorsTop 30%
Overall (2019): #482,179 of 560,194Top 90%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10167995 Portable item holder having an elongate void extending between two openings for receiving the item Tamara K. Sheffield 2019-01-01