Patents by Inventor John H. Orsing

John H. Orsing 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).

  • Saliva ejector
    Patent number: D258531
    Type: Grant
    Filed: July 21, 1978
    Date of Patent: March 10, 1981
    Assignee: Orsing Incorporated
    Inventor: John H. Orsing