Inventor

HEGDAHL DAVID W

US2 patents

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

3M INNOVATIVE PROPERTIES CO

1 patent

US6686026B2Feb 3, 2004

Micro-channeled protective film

3M INNOVATIVE PROPERTIES CO22 citations89

MINNESOTA MINING & MFG

1 patent

US5418339AMay 23, 1995

Pneumatic tool having noise reducing muffling structure

MINNESOTA MINING & MFG48 citations86