Joel Grubman

UN Unknown: 1 patents #267 of 2,778Top 10%

🗺 Pennsylvania: #1,500 of 5,512 inventorsTop 30%

Overall (2002): #80,266 of 266,432Top 35%

Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6435989	Batting training device	—	2002-08-20