Patents Assigned to Alpha Nova Engineering, Inc.
  • Needlepoint supporting frame and clip assembly
    Patent number: 4194312
    Abstract: A manually adjustable open four-sided frame and a number of improved clips that cooperate to provide an assembly that removably and frictionally engages a sheet of fabric on which needlepoint or other decoration is being defined to maintain a desired portion of the sheet within the confines of the frame in a taut condition. The clips if desired may be of such structure as to positively as well as frictionally engage peripheral edge portions of the sheet material when the latter is supported in a taut condition on the frame.
    Type: Grant
    Filed: December 4, 1978
    Date of Patent: March 25, 1980
    Assignee: Alpha Nova Engineering, Inc.
    Inventors: Dorothy Connors, Robert D. Chapman, Robert J. Winkler, Timothy K. Winkler