Inventor
KROLL JOHN
US3 patents
Patents
3 patentsUS12196987B2Jan 14, 2025
Retroreflective composite reflective microspheres and reflective inorganic material
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US11767409B2Sep 26, 2023
Reduced density hollow glass microsphere polymer composite
TUNDRA COMPOSITES LLC0 citations57
US11860388B2Jan 2, 2024
Polymer compatible heat fused retroreflective bead
TUNDRA COMPOSITES LLC0 citations56