Joseph Powell Chapin

📍 Bethesda, MD: #720 of 2,269 inventorsTop 35%

🗺 Maryland: #10,129 of 35,612 inventorsTop 30%

Overall (All Time): #1,530,890 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
8727184	Container and associated dispenser for liquid materials	—	2014-05-20
8181831	Container and associated dispenser for liquid materials	—	2012-05-22
7481138	Adjustable bit tool for driving screwdriver screws and bolts	—	2009-01-27