Patents by Inventor Donald A. Haas, Jr.

Donald A. Haas, Jr. 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).

  • Leaf collector
    Patent number: 3942832
    Abstract: A collector for leaves and the like is illustrated for positioning a bag for collecting leaves and other refuse therein having an open rim for receiving an open end of a bag which is retained thereabout by an elongated elastic restraining member which confines an open end of the bag over the rim in a groove carried by the outer periphery of the rim.
    Type: Grant
    Filed: June 27, 1974
    Date of Patent: March 9, 1976
    Inventor: Donald A. Haas, Jr.