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John A. Spencer

📍 Phoenix, AZ: #59 of 287 inventorsTop 25%
🗺 Arizona: #301 of 1,382 inventorsTop 25%
Overall (1994): #111,423 of 165,921Top 70%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5345935 Non-invasive medical probe provided with suction cup Harold D. Hirsch, Ilan Samson 1994-09-13