RF

Ronald A. Francoeur

🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
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1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4604003 Method and apparatus for retensioning prestressed concrete members Verne L. Schellhorn 1986-08-05