SO

Stephen M. Oas

EM Emsco: 5 patents #2 of 5Top 40%
📍 Erie, PA: #171 of 1,097 inventorsTop 20%
🗺 Pennsylvania: #13,581 of 74,527 inventorsTop 20%
Overall (All Time): #857,441 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8789554 Rainwater collection/distribution system 2014-07-29
7418916 Sit-in kayak 2008-09-02
D566030 Sit-in kayak 2008-04-08
5988207 Decorative storage device for garden hose Charles D. Kownacki, Franklin T. Clark, Jr., John C. Ramsey 1999-11-23
5956892 Lawn and garden edging with watering capability Charles D. Kownacki, Franklin T. Clark, Jr., John C. Ramsey 1999-09-28
D410824 Decorative storage device for a garden hose Charles D. Kownacki, Franklin T. Clark, Jr., John C. Ramsey 1999-06-08