Patents by Inventor Jerzy Niemirow

Jerzy Niemirow 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).

  • Elastic type projecting device
    Patent number: 4165729
    Abstract: A launcher is described having a tubular body containing therewithin a plurality of headers and pistons, and wherein spaced elastic bands communicating therebetween are caused to be placed in a high degree of tension through a bidirectional ratchet mechanism to controllably propel an object placed in a cup forward said tubular body when a trigger is actuated to release stored energy in the tension bands.
    Type: Grant
    Filed: June 30, 1977
    Date of Patent: August 28, 1979
    Inventor: Jerzy Niemirow
  • Swimming pool rescue net
    Patent number: 4129905
    Abstract: Submerged netting which can immediately rise to water's surface by means of inflatable bladder associated therewith to prevent drowning of endangered victims.
    Type: Grant
    Filed: June 30, 1977
    Date of Patent: December 19, 1978
    Inventor: Jerzy Niemirow