Number | Name | Date | Kind |
---|---|---|---|
1165521 | Lockton | Dec 1915 | |
3815900 | Schulze | Jun 1974 | |
3981493 | Klappenecker et al. | Sep 1976 | |
4395032 | Hipp, Jr. | Jul 1983 | |
4431175 | Smith | Feb 1984 | |
4711442 | Runzi | Dec 1987 | |
4822023 | Miyoshi | Apr 1989 | |
4925062 | Tsukamoto et al. | May 1990 |
Number | Date | Country |
---|---|---|
82255 | Apr 1988 | JPX |
317938 | Dec 1989 | JPX |
123036 | May 1990 | JPX |
127347 | May 1990 | JPX |
209329 | Aug 1990 | JPX |
Entry |
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Habich, A. B., et al. "Envelope Picker-Separator" IBM Technical Disclosure Bulletin, vol. 19, No. 3, pp. 746-747 (Aug. 1976). |