Number | Name | Date | Kind |
---|---|---|---|
3687095 | Jackson | Aug 1972 | |
3738296 | MacKenzie et al. | Jun 1973 | |
3785308 | Brandriff et al. | Jan 1974 | |
3843883 | DeVita et al. | Oct 1974 | |
4102283 | Rockerath et al. | Jul 1978 | |
4170951 | Dobrjanskyj | Oct 1979 | |
4186672 | Burton | Feb 1980 | |
4192243 | Blessing et al. | Mar 1980 | |
4196685 | Tamura | Apr 1980 | |
4426948 | Olasz et al. | Jan 1984 | |
4432297 | Kemmel | Feb 1984 | |
4558654 | Schilling et al. | Dec 1985 | |
4602582 | Rawson | Jul 1986 | |
4693196 | Hager | Sep 1987 | |
4732098 | Mertel et al. | Mar 1988 | |
4754722 | Rohr | Jul 1988 | |
4793273 | Hara et al. | Dec 1988 | |
4805544 | Dobner et al. | Feb 1989 | |
4841890 | Tancs | Jun 1989 | |
4934292 | Mardix et al. | Jun 1990 | |
4938159 | Shibata | Jul 1990 |
Number | Date | Country |
---|---|---|
3625630 | Jul 1986 | DEX |
3625963 | Jul 1986 | DEX |
60-52629 | Mar 1985 | JPX |
60-94943 | May 1985 | JPX |
2008631 | Oct 1978 | GBX |
Entry |
---|
Datalogic, Inc., "SR20 Series: Thread Breakage Detector", LITPE 024, 75. |
Pfaff, GmbH, "The G-Type Hook and Bobbin Thread Monitor 926/01", Information For the Sewing Industry, Mar. 1989. |