Duffield; Peter L.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Duffield; Peter L..The latest application filed is for "spray head for a computer-controlled automatic image reproduction system".

Company Profile

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Duffield; Peter L. - Meredith NH
Duffield; Peter L. - Wayland MA
Duffield; Peter L. - Kettering OH

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Spray head for a computer-controlled automatic image reproduction system Grant 6,081,281 - Cleary , et al. June 27, 2	2000-06-27
Multi-color recorder with plural ink jets and reservoirs co-mounted on a reciprocating carriage, each reservoir containing a sub-reservoir in communication with an ink supply conduit Grant 4,999,651 - Duffield , et al. March 12, 1	1991-03-12
Reproduction and enlarging imaging system and method using a pulse-width modulated air stream Grant 4,914,522 - Duffield , et al. April 3, 1	1990-04-03
Ink control system for ink jet printer Grant 4,432,005 - Duffield , et al. February 14, 1	1984-02-14
Catching apparatus and method for jet drop recording Grant 3,936,135 - Duffield February 3, 1	1976-02-03
Recording Head For A Jet Array Recorder Grant 3,836,913 - Burnett , et al. September 17, 1	1974-09-17
Yoke Mounted Jet Drop Recording Head Grant 3,805,273 - Brady , et al. April 16, 1	1974-04-16
Catcher For A Jet Drop Recorder Grant 3,777,307 - Duffield December 4, 1	1973-12-04

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