Patents by Inventor Edward J. Ruff

Edward J. Ruff 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: 7334530
    Abstract: A stacking table system includes: a first table having a first top, first peripheral support rails extending downwardly from the first top and a plurality of alignment projections extending downwardly from the first peripheral support rails; a second table having a second top, second peripheral support rails extending downwardly from the second top and a plurality of alignment projection receptacles that receive respective alignment projections when the first table is in a stacked position on the second table; and a table hoist having a plurality of cables being selectively attachable to the tables. The first table may be hoisted upwardly by the hoist when the cables are attached to the first table and a stack of the first and second tables may be hoisted upwardly by the hoist when the cables are attached to the second table.
    Type: Grant
    Filed: January 11, 2007
    Date of Patent: February 26, 2008
    Assignee: Edward J. Ruff Development, Inc.
    Inventor: Edward J. Ruff
  • Patent number: 7168371
    Abstract: A stacking table system includes: a first table having a first top, first peripheral support rails extending downwardly from the first top and a plurality of alignment projections extending downwardly from the first peripheral support rails; a second table having a second top, second peripheral support rails extending downwardly from the second top and a plurality of alignment projection receptacles that receive respective alignment projections when the first table is in a stacked position on the second table; and a table hoist having a plurality of cables being selectively attachable to the tables. The first table may be hoisted upwardly by the hoist when the cables are attached to the first table and a stack of the first and second tables may be hoisted upwardly by the hoist when the cables are attached to the second table.
    Type: Grant
    Filed: June 23, 2004
    Date of Patent: January 30, 2007
    Assignee: Edward J. Ruff Development, Inc.
    Inventor: Edward J. Ruff
  • Patent number: D538088
    Type: Grant
    Filed: June 23, 2004
    Date of Patent: March 13, 2007
    Assignee: Edward J. Ruff Development, Inc.
    Inventor: Edward J. Ruff
  • Patent number: D554923
    Type: Grant
    Filed: January 17, 2007
    Date of Patent: November 13, 2007
    Assignee: Edward J. Ruff Development, Inc.
    Inventor: Edward J. Ruff
  • Patent number: D488653
    Type: Grant
    Filed: April 14, 2003
    Date of Patent: April 20, 2004
    Assignee: Edward J. Ruff Development, Inc.
    Inventor: Edward J. Ruff
  • Patent number: D499589
    Type: Grant
    Filed: April 19, 2004
    Date of Patent: December 14, 2004
    Assignee: Edward J. Ruff Development, Inc.
    Inventor: Edward J. Ruff