HH

H. Charles Hassel

MA Microcomputer Accessories: 2 patents #1 of 3Top 35%
📍 Los Angeles, CA: #22 of 379 inventorsTop 6%
🗺 California: #676 of 10,592 inventorsTop 7%
Overall (1989): #26,764 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D304250 Hand held vacuum cleaner Clifford Ghetti 1989-10-24
4801021 Multi-line paper feeding assembly Donald Westland 1989-01-31