Patents by Inventor Charles Giger

Charles Giger 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).

  • Tear-strip opening envelope apparatus
    Patent number: 4819807
    Abstract: A tear-strip opening envelope apparatus is provided with a tear-strip opening feature for facilitated closing, sealing, opening and emptying thereof. A tear-strip is located on each of two panels enclosing the sides of the envelope, with each of the tear-strips attachably overlying the other in close alignment, upon sealing of the envelope. The attached aligned tear-strips create a single multi-ply tear-strip assembly which facilitates the opening and emptying of the envelope. Opening of the tear-strip opening envelope apparatus is accomplished by pulling the reinforced multi-ply tear-strip member, at an end thereof, across the tear-strip opening envelope.
    Type: Grant
    Filed: January 5, 1988
    Date of Patent: April 11, 1989
    Inventor: Charles Giger