DJ

David G. Johnson

BM Blue Square Manufacturing: 2 patents #1 of 7Top 15%
📍 Calgary, CA: #101 of 776 inventorsTop 15%
Overall (2019): #180,599 of 560,194Top 35%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10344493 Cleaning head for an in-floor pool cleaning system Mark Scatterday, Michael Landis, Jason Addink, Mark D. Johnson, Robert M. Long +1 more 2019-07-09
10273703 Adapter for pool cleaning system Mark Scatterday, Robert M. Long, Timothy M. Murphy, Michael Landis 2019-04-30