Patents by Inventor Patrick W. Wallace

Patrick W. Wallace has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5521388
    Abstract: A scanning system (25) for controlling a scanning servo (28,30) includes a scanning signal generator (50) which generates (51) a series of square wave scan signals, a pulse signal generator which generates (52) a pattern of pulses having short durations relative to the scan signal from the first generator, the generators being synchronized, and the scan signals and pulses then being separately applied to the scanner servo (30) to control it such that the resulting scanning behavior of the servo corresponds to the scan signals modified by the pattern of pulses.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: May 28, 1996
    Assignee: Raychem Corporation
    Inventors: Marlin N. Schuetz, Patrick W. Wallace
  • Patent number: 4965702
    Abstract: An improved integrated chip carrier package contains closely spaced electrical leads which facilitates contact with leads from the chip.
    Type: Grant
    Filed: June 19, 1989
    Date of Patent: October 23, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: John W. Lott, Thomas R. Poulin, Patrick W. Wallace