CE

Charles W. Erikson

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Grass Valley, CA: #65 of 334 inventorsTop 20%
🗺 California: #106,790 of 386,348 inventorsTop 30%
Overall (All Time): #994,692 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9776477 Sunshade system 2017-10-03
RE40207 Organic shell blank and method for making same Lawrence J. Sifel 2008-04-01
6432506 Organic shell blank and method for making same Lawrence J. Sifel 2002-08-13
6190491 Organic shell blank and method for making same Lawrence J. Sifel 2001-02-20
5776581 Organic shell blank and method for making same Lawrence J. Sifel 1998-07-07