[54] PROTECTED DOCUMENT BEARING
WATERMARK AND METHOD OF MAKING
[75] Inventors: William H. Mowry, Jr., Ionia;
Michael J. McEIligott, Rochester;
Victor J. Tkalenko, Jr., Rochester;
Joseph Baran, Rochester; Curtis W.
Ingalls, Fairport, all of N.Y.
[73] Assignee: Burroughs Corporation, Detroit,
Mich.
[21] Appl. No.: 809,261
[22] Filed: Jun. 23, 1977
[51] Int. C1.2 B42D 15/00; B44F 1/12
[52] U.S. CI 283/8 B; 283/6;
283/8 R; 428/915
[58] Field of Search 283/8 B, 8 R, 6 R;
428/916, 915; 355/133
[56] References Cited
U.S. PATENT DOCUMENTS
27,116 2/1860 Eidlitz 283/8 B
1,002,600 9/1911 Morris et al 283/8 B
1,114,346 10/1914 Farmer.... 283/8 R
1,428,278 9/1922 Dow 283/8 B
1,692,405 11/1928 Freeman 283/8 B
3,852,088 12/1974 Godlewski et al 283/8 R
4,175,774 11/1979 Tonges et al 283/6
OTHER PUBLICATIONS
Sample of "Kids Paper" Mfg. by McGhee Printing Service of Stanford, Conn.; copyrighted by Miquette 1976.
IBM Technical Bulletin; vol. 17, No. 12, May, 1975, Weinberg.
Primary Examiner—Donald R. Schran
Attorney, Agent, or Firm—Edward J. Feeney, Jr.; Lynn
L. Augspurger; Kevin R. Peterson
[57] ABSTRACT
Disclosed is a protected document such as a negotiable instrument, a title instrument, identification document or other documents which should be kept secure from illegal copying by color copiers. The method of making the document comprising preprinting a "VOID" or other warning or cancellation phrase pattern in half tone or multitone on the document and camouflaging this pattern is also disclosed. The document bears a watermark which adds to the security of the system.
10 Claims, 8 Drawing Figures
