Patents by Inventor Leonard F. Peyser

Leonard F. Peyser 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).

  • Multi-purpose crampon
    Patent number: 4344238
    Abstract: An improved light weight crampon for ready attachment to shoes and boots as an ice creeper or the like having rugged construction and versatility of adjustment.
    Type: Grant
    Filed: July 15, 1980
    Date of Patent: August 17, 1982
    Inventor: Leonard F. Peyser
  • Bead chain sprocket construction
    Patent number: 3985037
    Abstract: A bead chain sprocket is formed from a predetermined length of arcuately pocketed flexible plastic cog-like strip wherein the strip is received and affixed within the smooth peripheral groove of a flanged pulley, thereby to provide a simple, reliable and versatile mode of fabrication of such sprockets.
    Type: Grant
    Filed: May 12, 1975
    Date of Patent: October 12, 1976
    Inventor: Leonard F. Peyser
  • X-ray cassette holder
    Patent number: 3968375
    Abstract: An X-ray cassette holder having adjustable track means for slidably receiving a film cassette and positioning it longitudinally, the holder also including automatic clamping means locked in the open position and actuated by insertion of the cassette to close on opposing sides thereof for centering the cassette transversely in the holder.
    Type: Grant
    Filed: December 13, 1974
    Date of Patent: July 6, 1976
    Assignee: The Machlett Laboratories, Incorporated
    Inventors: Leonard F. Peyser, Roger L. Hibbert
  • Radiation limiting means
    Patent number: 3947690
    Abstract: A radiation limiting shutter device including a hollow, frusto-pyramidal structure having relatively movable walls made of radiation absorbent material and defining an entrance aperture of a desired size, each of the walls comprising a frusto-triangular plate having serrated sloped edges which intermesh with similar sloped edges of respective adjacent plates forming the structure.
    Type: Grant
    Filed: July 11, 1974
    Date of Patent: March 30, 1976
    Assignee: The Machlett Laboratories, Inc.
    Inventor: Leonard F. Peyser