Charles E. Brettell

TW The Gleason Works: 1 patents #58 of 120Top 50%

📍 North Pomfret, VT: #1 of 2 inventorsTop 50%

🗺 Vermont: #3,027 of 4,968 inventorsTop 65%

Overall (All Time): #3,294,322 of 4,157,543Top 80%

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
7748718	Expanable mandrel	—	2010-07-06