MG

Michael Greenspoon

Overall (All Time): #2,325,076 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D309319 Headless tambourine 1990-07-17
4688462 Tambourine Asher I. Greenspoon 1987-08-25