Patents by Inventor Pier G. Cavallari

Pier G. Cavallari 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).

  • Electromagnet assembly for mosaic printing head and related manufacturing method
    Patent number: 4433927
    Abstract: An electromagnet assembly for a matrix printing head which can be automatically assembled and a manufacturing process for automatically assembly said electromagnet assembly.
    Type: Grant
    Filed: February 19, 1982
    Date of Patent: February 28, 1984
    Assignee: Honeywell Information Systems Italia
    Inventor: Pier G. Cavallari
  • Mosaic printing head
    Patent number: 4260270
    Abstract: An impact matrix printing head for use in a computer printer. The printing head utilizes a unique design to provide an unitary needle guiding assembly and an unitary electromagnet assembly which can each be independently removed from the printer head without the need to disassemble. The printer head includes adjustments for the air gap of the electromagnet assembly and adjustments for the needle position, both initially and after needle wear has occurred.
    Type: Grant
    Filed: September 11, 1979
    Date of Patent: April 7, 1981
    Assignee: Honeywell Information Systems Italia
    Inventor: Pier G. Cavallari