Patents by Inventor Arnold Wald

Arnold Wald 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).

  • Reusable adapter for uniting a syringe and vial
    Patent number: 5776124
    Abstract: A releasable adapter for coupling a hypodermic syringe and a medicinal vial having a pocket underlying a seal and separate from the chamber of the vial, characterized by a releasable primary attachment connected to and centering the adapter positioned on the vial, and a secondary attachment connected to and centering the syringe with the vial before the syringe needle pierces the seal and with limited projection of the syringe needle into said pocket, for withdrawing liquid when inverted as a unit.
    Type: Grant
    Filed: July 15, 1996
    Date of Patent: July 7, 1998
    Inventor: Arnold Wald