Patents Represented by Attorney Mark Goldberg, Esq.

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  • Band fiber forming and placement delivery head
    Patent number: 5698066
    Abstract: A delivery head assembly is provided for forming a tape band from a plurality of tows and applying the band as superimposed layers in a helical pattern on to a mandrel to produce non-uniform cross sectional articles. This head assembly is composed of a distribution section, ribbonizing section, coating section, add section, and compaction roller.
    Type: Grant
    Filed: August 3, 1992
    Date of Patent: December 16, 1997
    Assignee: Alliant Techsystems Inc.
    Inventors: John A. Johnson, Noel I. Shepherd, Keith G. Shupe, James P. Nielsen
  • Dichroic azo dyes
    Patent number: 5589100
    Abstract: Arylazo and poly(arylazo) dyes having at least one core radical selected from naphthyl or anthracyl and having at least one 2,3-dihydro-1,3-dialkyl perimidine substituent, a guest-host composition comprising a liquid crystal host solvent and the arylazo or poly(arylazo) dichroic dye, and a liquid crystal display comprising the guest-host composition, are disclosed.
    Type: Grant
    Filed: March 20, 1996
    Date of Patent: December 31, 1996
    Assignee: Hercules Incorporated
    Inventors: Robert P. Grasso, Michael K. O'Brien, Paul J. Shannon