SJ

Stephen R. Chapin, Jr.

📍 Silver Spring, MD: #252 of 1,812 inventorsTop 15%
🗺 Maryland: #5,505 of 35,612 inventorsTop 20%
Overall (All Time): #885,636 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6138917 Multiple magnetic stripe transaction cards and systems for the utilization thereof 2000-10-31
5984191 Multiple magnetic stripe transaction cards and systems for the utilization thereof 1999-11-16
5931878 Computerized prompting systems 1999-08-03
5883377 Multiple magnetic stripe transaction cards and systems for the utilization thereof 1999-03-16
4760618 Apparatus for cleaning the interior of a mouse 1988-08-02
4673440 Methods of and apparatus for cleaning the interior of a mouse 1987-06-16