Patents Assigned to Virco Mfg. Corporation
  • Interlocking chair
    Patent number: 4400031
    Abstract: A stackable utility chair embodying interlocking side bar members which function to releasably interlock together adjacent chairs of identical configuration to form semi-permanent rows. The side bar members also function to positively align the chairs during vertical stacking and, due to their unique Z-shaped cross-sectional configuration, provide substantial lateral stability to the stacked array.
    Type: Grant
    Filed: March 12, 1981
    Date of Patent: August 23, 1983
    Assignee: Virco Mfg. Corporation
    Inventor: Edward J. DeDecker
  • Chair
    Patent number: D289235
    Type: Grant
    Filed: October 19, 1984
    Date of Patent: April 14, 1987
    Assignee: Virco Mfg. Corporation
    Inventor: Gregg Heyl