Inventor

MACKAY STEPHEN C

US3 patents

Patents

3 patents

US5640184AJun 17, 1997

Orifice plate for simplified ink jet head

SPECTRA INC54 citations95

US5605659AFeb 25, 1997

Method for poling a ceramic piezoelectric plate

SPECTRA INC79 citations95

US6682181B1Jan 27, 2004

Ink jet head containing a carbon member

SPECTRA INC21 citations91