Patents by Inventor Jack Lench

Jack Lench 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).

  • Roll-on dispenser bottle assembly
    Patent number: 4030844
    Abstract: A roll-on dispenser bottle for dispensing cosmetics, deodorants, and the like, in which a plastic ball is mounted in the mouth of a glass bottle and a separate resilient ball retainer is provided which extends from the neck of the bottle. A cap also is provided which contains an insert having a protuberance and a shoulder or shelf which act to constrict the retainer on the ball and press the ball into a seat in the mouth of the bottle when the cap is firmly in place on the neck of the bottle, so as to provide positive closure when the bottle is not in use.
    Type: Grant
    Filed: December 2, 1975
    Date of Patent: June 21, 1977
    Assignee: Del Laboratories, Inc.
    Inventors: Jack Lench, Luigi M. Ferrari