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📍 Minneapolis, MN: #2,566 of 6,114 inventorsTop 45%

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

Overall (All Time): #2,325,897 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4953706	Mechanical oil can seal breaker	—	1990-09-04
4836471	Navigational vent for hot air balloons	—	1989-06-06