PR

Patrick J. Ryan

📍 Laurel, MD: #4 of 19 inventorsTop 25%
🗺 Maryland: #225 of 1,164 inventorsTop 20%
Overall (1989): #70,537 of 140,708Top 55%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4889397 Integrated modular portable mail tray delivery system and components — 1989-12-26