SC

Steven Coffman

📍 Portland, OR: #3,756 of 9,213 inventorsTop 45%
🗺 Oregon: #10,188 of 28,073 inventorsTop 40%
Overall (All Time): #1,563,605 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8016300 Mobile cart having a retractable-wheel base system Paul Cramer 2011-09-13
5191367 Instrument and method for use in optometric examinations Cosmo Salibello, Jonathan G. Torrey, Gerald M. Murch 1993-03-02
4998820 Instrument and method for use in optometric examinations Cosmo Salibello, Jonathan G. Torrey, Gerald M. Murch 1991-03-12