Patents by Inventor Allan A. Connel

Allan A. Connel 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).

  • Gas anesthesia machine
    Patent number: 4034753
    Abstract: An anesthetic machine is provided with a means of supplying oxygen with or without an anesthetic which is supplied in measured quantities to the patient, whether a human or other animal. The anesthesia is provided in accurate dosage to the human or animal.
    Type: Grant
    Filed: September 29, 1975
    Date of Patent: July 12, 1977
    Inventor: Allan A. Connel