Patents by Inventor Daniel M. Karcher

Daniel M. Karcher 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).

  • Automatic medicament ingredient mixing and injecting apparatus
    Patent number: 4755169
    Abstract: An automatic injector apparatus comprising an outer housing assembly, a hypodermic needle, first and second containers, a first liquid medicament ingredient in the first container and a second medicament ingredient in the second container, first and second pistons in the first and second containers respectively, a releasable stressed spring arrangement capable of being released twice, once for movement through a first piston moving stroke and second through a second piston moving stroke, a first releasing device operable in response to a first predetermined actuating procedure for accomplishing a first release of the spring arrangement so as to effect movement of the first piston through a liquid medicament ingredient moving stroke causing the liquid medicament ingredient to mix with the medicament ingredient in the second container to form liquid medicament and a second releasing device operable in response to a second actuating procedure for accomplishing a second release of the spring arrangement so as to
    Type: Grant
    Filed: December 18, 1986
    Date of Patent: July 5, 1988
    Assignee: Survival Technology, Inc.
    Inventors: Stanley J. Sarnoff, William R. Tarello, Claudio Lopez, Daniel M. Karcher