Patents Assigned to Shade Information Systems, Inc.
  • Mailing envelope structure and method
    Patent number: 4023727
    Abstract: A mailing envelope structure and method wherein a single sheet is advantageously provided as a business form having a plurality of envelope blanks, each blank being equipped with perpendicular lines of potential folding to divide the blank into four parts, the blank when separated from the business form being divisible into four parts along the lines of potential folding to provide an envelope packet with one part as an invoice or the like and the remaining parts serving as envelope faces both for outgoing and return envelopes.
    Type: Grant
    Filed: January 26, 1976
    Date of Patent: May 17, 1977
    Assignee: Shade Information Systems, Inc.
    Inventor: Thomas H. Tess