Note: Richard Nelson applied for the first four patents in the year of 1979. The years listed below showing the year each patent got formerly approved. After that, two more patents were added which the total to be six altogether.
- USA Patent No. 4452230 1980 “Canopy system for a building structure”
- USA Patent No. 4562674 1982 “Replaceable foam insulation system”
- USA Patent No. 4521458 1983 “Process for coating material with water resistant composition”
- USA Patent No. 5123247 1990 “Solar roof collector”
- USA Patent No. 6497074 2001 “Multi-layer flexible panel modules with exterior and interior stressed layers spread apart at the ends and connected intermediate the ends inducing opposing concave deflections to the layers”
- USA Patent No. 6575234 2002 “Dynamic heating and cooling of a building using liquid foam”
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