Inventor

HAMANN ROBERT D

US5 patents

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

3M INNOVATIVE PROPERTIES CO

2 patents

US10590303B2Mar 17, 2020

Thermoplastic polyurethane compositions, articles, and methods thereof

3M INNOVATIVE PROPERTIES CO6 citations69

US10884163B2Jan 5, 2021

Polyurethane layer for a light directing article

3M INNOVATIVE PROPERTIES CO1 citations61

3M INNOVATIVE PROPERTIES COMPANY

2 patents

US11567239B2Jan 31, 2023

Polyurethane layer for a light directing article

3M INNOVATIVE PROPERTIES COMPANY1 citations61

US12168743B2Dec 17, 2024

Extruded polyurethane surface films

3M INNOVATIVE PROPERTIES COMPANY0 citations41

MINNESOTA MINING & MFG

1 patent

US5848696ADec 15, 1998

Wrapped material, and method and apparatus for wrapping and unwrapping such material

MINNESOTA MINING & MFG9 citations67