Patents by Inventor Carl B. Ahlenfeld

Carl B. Ahlenfeld 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: 4270756
    Abstract: The invention includes a lacrosse stick head having a pair of sidewalls diverging in a generally V-shaped manner from a throat area, a top portion joining the sidewalls, and a substantially transverse member extending between the sidewalls in the throat area. A cushion is formed of a generally flat resilient member having a pair of legs and a bight. Notches are located between each leg and the bight permitting assembly into a generally U-shaped member having a generally planar bottom for positioning on the transverse member. A plurality of substantially coextensive holes are positioned in the cushion and the frame, wherein webbing supported on the head frame extends through the cushion and the frame. The handle extends through the throat area and is received in a stub receptacle on a second substantially transverse member.
    Type: Grant
    Filed: April 6, 1979
    Date of Patent: June 2, 1981
    Inventors: Carl B. Ahlenfeld, James D. Macey
  • Patent number: D252167
    Type: Grant
    Filed: September 21, 1977
    Date of Patent: June 19, 1979
    Inventors: Carl B. Ahlenfeld, James D. Macey