Inventor

ZIMMERMAN DAVID A

US3 patents

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

DU PONT

2 patents

US5759511AJun 2, 1998

Granular scrubs for use in manufacturing titanium dioxide pigment

DU PONT10 citations70

US7247200B2Jul 24, 2007

Titanium dioxide finishing process

DU PONT3 citations56

ZIMMERMAN DAVID A

1 patent

US8534181B2Sep 17, 2013

Self-loading firearm

ZIMMERMAN DAVID A0 citations27