CS

Charles F. Stevenson

CR Chain Reactions: 2 patents #3 of 3Top 100%
📍 Elgin, IL: #90 of 644 inventorsTop 15%
🗺 Illinois: #13,022 of 84,256 inventorsTop 20%
Overall (All Time): #763,530 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5953438 Planar electromagnetic transducer Edward M. Porrazzo 1999-09-14
5430805 Planar electromagnetic transducer Edward M. Porrazzo 1995-07-04
5378086 Systems to exterminate and control subterranean termites and other subterranean pests Albert E. Campbell, Jr. 1995-01-03
5167297 Stairway safety rail and belt attachment 1992-12-01
D292594 Miniaturized dental X-ray film duplicator 1987-11-03
D276648 Dental X-ray film holder 1984-12-04
4333254 Multipurpose dental X-ray film mount arrangement 1982-06-08