CC

Cherng Chang

📍 Xenia, OH: #32 of 224 inventorsTop 15%
🗺 Ohio: #10,201 of 73,341 inventorsTop 15%
Overall (All Time): #661,442 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7140137 Spring loaded holders 2006-11-28
7117621 Three dimensional framed display and frame calendar 2006-10-10
6293038 Frame 2001-09-25
5850963 Reusable gift wrapping assembly 1998-12-22
5213028 Multiple purpose cooking utensil system 1993-05-25
5154114 Multiple purpose cooking utensil system 1992-10-13
4377745 Mass spectrometer for chemical ionization, electron impact ionization and mass spectrometry/mass spectrometry operation 1983-03-22
4266127 Mass spectrometer for chemical ionization and electron impact ionization operation 1981-05-05