MD

Mary I. Darby

📍 Burton, MI: #34 of 83 inventorsTop 45%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,831,170 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D338464 Megaphone for use with bingo games — 1993-08-17