Patents by Inventor Albert Ruggeri

Albert Ruggeri 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).

  • Animal cage rack incorporating shelf leveling device
    Patent number: 4206720
    Abstract: An animal cage rack incorporating a shelf leveling device includes a support frame in which a plurality of shelves are adjustably mounted. The corners of the shelves rest on height adjustment devices which may be rotated to adjust the height of each of corners, after which the shelves may be locked to the support frame. In one embodiment of the invention, the adjustment device is an adjusting screw. Additional embodiments of the invention include cam-operated height adjustment devices which either adjust the height of individual corners of shelves or alternatively adjust the heights of corresponding corners of several shelves.
    Type: Grant
    Filed: October 6, 1978
    Date of Patent: June 10, 1980
    Assignee: Lab Products, Inc.
    Inventors: Albert Ruggeri, Joseph Ruggeri, Harry Lawrence