Inventor

EWING CHARLES

US4 patents

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

(unassigned)

2 patents

US6423379B1Jul 23, 2002

Method of making an artistic medium

20 citations87

US6258412B1Jul 10, 2001

Method of making an artistic medium

22 citations87

ARTEL INC

1 patent

US7870797B2Jan 18, 2011

Apparatus and method for aspirating and dispensing liquid

ARTEL INC6 citations68

CURTIS RICHARD H

1 patent

US8850903B2Oct 7, 2014

Apparatus and method for aspirating and dispensing liquid

CURTIS RICHARD H4 citations67