RT

Richard H. Tromel

📍 Eugene, OR: #610 of 1,137 inventorsTop 55%
🗺 Oregon: #17,068 of 28,073 inventorsTop 65%
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1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4629834 Apparatus and method for vibratory signal detection Terrence C. Waggoner, James A. Simmons, Marvin K. Perry 1986-12-16