CH

Charles Hansen

TR Tri-Tech: 2 patents #1 of 3Top 35%
📍 Wolcott, CT: #1 of 6 inventorsTop 20%
🗺 Connecticut: #155 of 1,954 inventorsTop 8%
Overall (1989): #30,154 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4884333 Method of making a stepper motor Roy Cooper 1989-12-05
4841189 Stepper motor and method of making the same Roy Cooper 1989-06-20