Patents by Inventor Benjamin H. Bloom

Benjamin H. Bloom 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).

  • Folded envelopes, unitary blanks for forming folded envelopes and methods for manufacturing folded one-piece envelopes
    Patent number: 5626281
    Abstract: An envelope is formed from a scored blank. The blank is folded to form the envelope and comprises a sheet with score lines forming the boundary of a central portion which comprises a front of the envelope. A closure flap is hingedly connected to the remainder of the envelope along one of the score lines. A safety flap, also connected to the envelope along one of the score lines, is under the closure flap.
    Type: Grant
    Filed: January 26, 1994
    Date of Patent: May 6, 1997
    Inventor: Benjamin H. Bloom