Number | Date | Country | Kind |
---|---|---|---|
9025390 | Nov 1990 | GBX |
Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
---|---|---|---|---|---|
PCT/GB91/02069 | 11/22/1991 | 6/10/1993 | 6/10/1993 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO92/09444 | 6/11/1992 |
Number | Name | Date | Kind |
---|---|---|---|
4568141 | Antes | Feb 1986 | |
4968064 | Marcuso | Nov 1990 | |
5032003 | Antes | Jul 1991 | |
5101184 | Antes | Mar 1992 | |
5344192 | Phillips | Sep 1994 |
Number | Date | Country |
---|---|---|
0201323 | May 1986 | EPX |
0105099 | Nov 1988 | EPX |
0435029A2 | Dec 1990 | EPX |
2515396 | Oct 1982 | FRX |
2093404 | Feb 1982 | GBX |
2108428 | Oct 1982 | GBX |
WO9007133 | Jun 1990 | WOX |
WO9103747 | Mar 1991 | WOX |
Entry |
---|
"Optical Interference Coatings for Inhibiting of Counterfeiting", J. A. Dobrowolski et al, Optica Acta, 1973, vol. 20, No. 12, pp. 925-937. |