Patents by Inventor Maurice Asa

Maurice Asa 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).

  • Miniscule droplet dispenser tip
    Patent number: 4917274
    Abstract: An improved miniscule fluid volume dispenser tip including a tube having an elongated constant diameter small bore disposed at the outlet end thereof with a fluid reservoir disposed at the opposite internal end thereof, the outlet end of the dispenser tip being sharply cut away to reduce surface area to which the dispensed liquid may be attach.
    Type: Grant
    Filed: September 19, 1984
    Date of Patent: April 17, 1990
    Inventors: Maurice Asa, David T. Asa
  • Cap structure for a centrifuge tube
    Patent number: 4674640
    Abstract: An improved cap structure for a centrifuge tube including a flat roughened texture surface on the top thereof especially adapted to permit writing thereon with a variety of standard writing instruments.
    Type: Grant
    Filed: March 24, 1986
    Date of Patent: June 23, 1987
    Inventors: Maurice Asa, David Asa
  • Culture spreader
    Patent number: D282278
    Type: Grant
    Filed: September 27, 1983
    Date of Patent: January 21, 1986
    Inventor: Maurice Asa
  • Fluid dispenser tip
    Patent number: D300561
    Type: Grant
    Filed: December 4, 1985
    Date of Patent: April 4, 1989
    Inventors: Maurice Asa, David Asa