Patents by Inventor Wilfried Edgard Muylle

Wilfried Edgard Muylle 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).

  • Rotary perforating apparatus
    Patent number: 3943810
    Abstract: A rotary perforating apparatus for forming the guide perforations in photographic film, wherein the mechanism which controls the movements of the punch carrier arms comprises a control disc which rotates eccentrically with respect to a film-supporting wheel, and wherein the punch carrier arms are connected to said control disc through control arms which may perform a spacial swinging movement, thereby to provide a mechanism which is little subject to wear, and wherein standard ball bearings and ball joints may be used.
    Type: Grant
    Filed: August 2, 1974
    Date of Patent: March 16, 1976
    Assignee: AGFA-GEVAERT N.V.
    Inventor: Wilfried Edgard Muylle