Donald P. Chennells

UN Unknown: 2 patents #12,644 of 83,584Top 20%

📍 Winnipeg, CA: #791 of 1,797 inventorsTop 45%

Overall (All Time): #3,378,347 of 4,157,543Top 85%

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
7179077	Concrete block press	—	2007-02-20