Patents by Inventor Prajenda Pandurang Choudhary

Prajenda Pandurang Choudhary 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).

  • Needle assembly
    Patent number: 6689107
    Abstract: A needle assembly (10) comprising a needle (16) of elliptical cross section which extends through a cylindrical housing. A movable member (26) through which the needle (16) passes slidably locates within the housing and comprises a cylindrical tube (38) extending from the housing, with an elliptical opening (42) at the free end thereof. The needle (16) can only extend from the member (26) through the opening (42) when the housing member (26) is rotated into elliptical alignment with the needle and slid into the housing.
    Type: Grant
    Filed: May 1, 2001
    Date of Patent: February 10, 2004
    Inventor: Prajenda Pandurang Choudhary