John Chen

📍 San Ramon, CA: #18 of 141 inventorsTop 15%

🗺 California: #3,859 of 26,763 inventorsTop 15%

Overall (2002): #58,800 of 266,432Top 25%

Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6405616	Hammer with shock-reduction structure	—	2002-06-18
D455626	Hammer	—	2002-04-16