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John Rene Spronken

📍 Calgary, CA: #31 of 776 inventorsTop 4%
Overall (2019): #51,437 of 560,194Top 10%
4
Patents 2019

Issued Patents 2019

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10508005 Assembly for lifting or supporting a load, and members and connectors for use in same 2019-12-17
10422465 Prefabricated reusable concrete pedestal element 2019-09-24
D858026 Universal spreader bar 2019-08-27
10202734 Prefabricated resuable concrete pedestal element 2019-02-12