Patents by Inventor Paul E. Dorr

Paul E. Dorr 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).

  • Package for disposable syringes
    Patent number: 4184593
    Abstract: A disposable syringe divided into two units to be packed separately under sterile conditions. The first unit contains a filled cylindrical ampoule with a plug serving as piston and a pierceable seal. The other unit contains a needle, a needle cover which serves as piston rod and a holder for the needle and the ampoule. The second unit contains also a finger rest having a sleeve slidable along the ampoule to a stop on its rear end.
    Type: Grant
    Filed: June 23, 1977
    Date of Patent: January 22, 1980
    Inventor: Paul E. Dorr