DH

Donald H. Holdt

CT Cambridge Technologies: 1 patents #1 of 1Top 100%
🗺 Maryland: #225 of 1,164 inventorsTop 20%
Overall (1989): #119,537 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4795214 Convertible wheelchair/litter — 1989-01-03