Inventor

ZIGNER JR ROBERT W

US3 patents

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

IBM

2 patents

US6584989B2Jul 1, 2003

Apparatus and method for wet cleaning

IBM50 citations90

US9165801B2Oct 20, 2015

Partial solution replacement in recyclable persulfuric acid cleaning systems

IBM0 citations46

HENRY RICHARD O

1 patent

US8992691B2Mar 31, 2015

Partial solution replacement in recyclable persulfuric acid cleaning systems

HENRY RICHARD O1 citations40