TC

T. Graham Christopher

📍 Edmonds, WA: #230 of 598 inventorsTop 40%
🗺 Washington: #35,300 of 76,902 inventorsTop 50%
Overall (All Time): #2,345,607 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4710169 Urinary catheter with collapsible urethral tube — 1987-12-01
4571241 Urinary catheter with collapsible urethral tube — 1986-02-18