Patents by Inventor Michael J. Ostrowski

Michael J. Ostrowski 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: 5522757
    Abstract: An inflatable recreational ball with an outer covering formed of a stretchable, flexible fabric material, which when fully expanded assumes a desired ball configuration, said covering having a small opening therein to permit the insertion into the outer covering of an inflatable balloon in its uninflated state. The balloon is formed of a thin elastic material having an air passage stem which projects through the opening, and which permits inflation of the balloon within the outer covering to cause the balloon on full inflation to engage the inner surface and to stretch slightly the outer covering to a desired generally spherical configuration. The ball includes a band or loop on the covering to secure an elastic element to the ball and preferably an elastic loop element is secured to the band and adapted to be held with the hand of a recreational ball user.
    Type: Grant
    Filed: April 24, 1995
    Date of Patent: June 4, 1996
    Inventor: Michael J. Ostrowski
  • Patent number: 5092630
    Abstract: A protective book cover which comprises a sheet material with folded over top and bottom edges and side edges with short hems, with a fully stretchable flat band loop of elastic material contained within each hem. The side edges are folded over to the width of the back, forming side pockets for the insertion of a book cover within the side pockets, with the book cover snugly retained by the elastic material about the book.
    Type: Grant
    Filed: February 11, 1991
    Date of Patent: March 3, 1992
    Inventor: Michael J. Ostrowski
  • Patent number: 5056663
    Abstract: An adjustable book cover and method wherein the book cover comprises a generally rectangular protective cover material wherein the length of the cover material may be easily adjusted through the use of releasable hook and loop fasteners or adhesive material and wherein the length of the material to fit the book to be protected is adjusted and pockets for the insertion of the book covers in said pockets by the employment of hook and loop fastener straps or adhesive material secured by elastic tabs to the cover material.
    Type: Grant
    Filed: September 26, 1990
    Date of Patent: October 15, 1991
    Inventor: Michael J. Ostrowski
  • Patent number: 4991978
    Abstract: A towel bag combination apparatus which in the open position is used for towel or beach-type purposes and in the closed position is an enclosed bag with a carrying strap. The towel bag combination apparatus comprises a circular fabric towel element with a reinforced peripheral web with draw holes in the web and a ring near the web, and with the bottom surface having a reinforced section and a loop secured thereto. The towel-bag apparatus also includes an elastic draw cord having a one and an other end and passing through the holes in the web and having the one and other end include a spring loaded clip. The draw cord permits the circular towel to move an open position for towel use and a closed bag use, the draw cord passing through the loop and with the spring loaded clip adapted to engage the ring so as to form a carrying strap for the towel bag combination apparatus in the closed position.
    Type: Grant
    Filed: January 16, 1990
    Date of Patent: February 12, 1991
    Inventor: Michael J. Ostrowski
  • Patent number: D334404
    Type: Grant
    Filed: November 1, 1990
    Date of Patent: March 30, 1993
    Inventor: Michael J. Ostrowski