Inventor

O'BRIEN CHARLES E

US5 patents

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

GILLETTE CO

3 patents

US7531271B2May 12, 2009

PROCTER & GAMBLE

1 patent

US7820329B2Oct 26, 2010

Wafer alkaline cell

PROCTER & GAMBLE21 citations91

BRIEN CHARLES E O

1 patent

US4890693AJan 2, 1990

Knock-down support stand and kit for assembly thereof

BRIEN CHARLES E O19 citations66