MT

Marvin S. Towsend

IA Inventio Ag: 2 patents #2 of 13Top 20%
📍 Oxon Hill, MD: #1 of 3 inventorsTop 35%
🗺 Maryland: #78 of 1,164 inventorsTop 7%
Overall (1989): #20,309 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4862509 Portable recording system for telephone conversations 1989-08-29
4842175 Storage container for a station wagon 1989-06-27