Inventor

PIHL RICHARD M

US22 patents

⚠️ This page may combine multiple inventors who share the name “PIHL RICHARD M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PIHL RICHARD M

MINNESOTA MINING & MFG

Molded abrasive brush

Abrasive filaments comprising abrasive-filled thermoplastic elastomer, methods of making same, articles incorporating same and methods of using said articles

Molded brush segment

Composite abrasive filaments, methods of making same, articles incorporating same, and methods of using said articles

Method of making composite abrasive filaments

Abrasive filaments comprising abrasive-filled thermoplastic elastomer, methods of making same, articles incorporting same and methods of using said articles

Molded brush

Composite abrasive filaments, methods of making same, articles incorporating same, and methods of using said articles

Molded abrasive brush

Composite abrasive filaments, methods of making same, articles incorporating same, and methods of using said articles

Abrasive article incorporating composite abrasive filament

Abrasive filaments comprising abrasive-filled thermoplastic elastomer

Method of making abrasive filaments comprising abrasive-filled thermoplastic elastomer

3M INNOVATIVE PROPERTIES CO

Abrasive brush with filaments having plastic abrasive particles therein

Molded abrasive brush

Molded abrasive brush

Center portion of a brush

Abrasive brush elements and segments

Bristles of a brush

Bristles of a brush

Bristles of a brush

Molded abrasive brush and methods of using for manufacture of printed circuit boards