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John Kroll
Blaine, MN
US
3 patents
3 Patents
US12196987
2025
Retroreflective Composite Reflective Microspheres and Reflective Inorganic Material
Tundra Compoistes, LLC
0 cites
US11860388
2024
Polymer Compatible Heat Fused Retroreflective Bead
Tundra Composites, LLC
0 cites
US11767409
2023
Reduced Density Hollow Glass Microsphere Polymer Composite
Tundra Composites, LLC
0 cites