Patents by Inventor Leon Hayduchok

Leon Hayduchok 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).

  • Patent number: 5163549
    Abstract: A caddy of generally modular form for writing implements is designed with a plurality of sockets to receive and support writing implements in upright position, with the writing ends secured in closed position with the receiving socket. In one embodiment, the caddy accommodates a plurality of conventional marking pens together with their individual caps, which caps remain captive when the pens are removed. In another embodiment the caps are initially incorporated in the sockets, which serve as caps for the interposed writing implements. In a further modification the caddies are combined with standards comprising a series of modules having U-shaped attachments on their rear bases which are designed to hook onto one or more additional modules, so that several caddies may be stacked together in aligned relation on a supporting surface for accommodating a variety of writing implements.
    Type: Grant
    Filed: October 25, 1991
    Date of Patent: November 17, 1992
    Inventor: Leon Hayduchok
  • Patent number: 4681471
    Abstract: A kit which comprises a plurality of multicolor water-based fluid dispensers together with an eradicating fluid dispenser wherein the coloring fluid dispensers may be utilized to create brilliant colored markings; and the eradicating fluid dispenser may be utilized to "erase" the marks from a substrate surface without substantial bleaching or staining of the surface. In a supplement or modification, the multicolored water-based fluids are utilized in individual color stamp pads, together with a stamp pad utilizing the eradicating fluid, which are adapted for use with a series of stamps to make decorative designs.
    Type: Grant
    Filed: July 31, 1984
    Date of Patent: July 21, 1987
    Assignee: All-Mark Corporation, Inc.
    Inventors: Leon Hayduchok, Leopold Strauss
  • Patent number: 4009802
    Abstract: A semiannular paint can attachment combines brush scraping means with a shallow cavity for catching and retaining the paint drippings up to a certain level, above which the excess returns to the can through an internal opening. A pouring lip partially surrounds the opening, functioning in a dual capacity as a scraper for the brush, and to prevent paint poured from the can from dripping over the sides of the can.
    Type: Grant
    Filed: September 2, 1975
    Date of Patent: March 1, 1977
    Inventor: Leon Hayduchok
  • Patent number: 3996720
    Abstract: Yarn strands derived from a creel are compressed together in parallel orientation and moved forward by reciprocating clamping means. A knife periodically severs a bundle comprising preselected short yarn lengths, which is compressed together and dropped into a chute. An impeller pushes each bundle through the wedge-shaped lower end of the reciprocating chute which extends in turn into each of a series of plastic bags being furnished from a roll or by an associated machine. The filled bag is sealed, cut loose and tossed into a bin.
    Type: Grant
    Filed: January 12, 1976
    Date of Patent: December 14, 1976
    Inventor: Leon Hayduchok