Mark D. Margolis

SI Spearhead Industries: 2 patents #2 of 3Top 70%

📍 Bloomington, MN: #520 of 1,157 inventorsTop 45%

🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%

Overall (All Time): #2,351,644 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4498199	Multiple headed costume	—	1985-02-12
D276771	Vertically mountable container	—	1984-12-18