Number | Name | Date | Kind |
---|---|---|---|
4409621 | Richards et al. | Oct 1983 | |
4986526 | Dastin | Jan 1991 | |
5124799 | Tsuboi et al. | Jun 1992 | |
5142355 | Fujima | Aug 1992 | |
5191429 | Rourke | Mar 1993 |
Number | Date | Country |
---|---|---|
414152A2 | Feb 1991 | EPX |
435053A3 | Jul 1991 | EPX |
478335A2 | Apr 1992 | EPX |
Entry |
---|
Patent Abstracts of Japan, vol. 15, No. 102 (E-1043) 12 Mar. 1991 & JP-A-02 309 863 (Canon Inc) 25 Dec. 1990. |
Patent Abstracts of Japan, vol. 15, No. 62 (E-1033) 14 Feb. 1991 & JP-A-02 288 469 (NEC Corp) 28 Nov. 1990. |