Frohlich; Alfons
Patent Applications and Registrations
Patent applications and USPTO patent grants for Frohlich; Alfons.The latest application filed is for "slide fastener".
- Frohlich; Alfons - Essen DE
| Patent | Date |
|---|---|
| Slide fastener Grant 5,231,737 - Frohlich , et al. August 3, 1 | 1993-08-03 |
| Slide fastener slider Grant 4,662,036 - Frohlich May 5, 1 | 1987-05-05 |
| Woven slide fastener stringer Grant 4,334,556 - Frohlich , et al. June 15, 1 | 1982-06-15 |
| Method of and apparatus for making a slide-fastener stringer Grant 4,181,159 - Frohlich , et al. January 1, 1 | 1980-01-01 |
| Process and apparatus for the manufacture of slide fasteners Grant 4,149,569 - Frohlich * April 17, 1 | 1979-04-17 |
| Slide fastener Grant 4,058,145 - Frohlich , et al. November 15, 1 | 1977-11-15 |
| Slide Fastener And Method Of Making Same Grant 3,864,945 - Frohlich February 11, 1 | 1975-02-11 |
| Method Of And Apparatus For Thermofixing Of Slide-fastener Coupling Chains Grant 3,836,413 - Frohlich , et al. September 17, 1 | 1974-09-17 |
| Slide Fastener Stringer With Stitched Coupling Element Grant 3,783,476 - Frohlich January 8, 1 | 1974-01-08 |
| Slide-fastener Stringer With Knit Tape Grant 3,762,002 - Frohlich , et al. October 2, 1 | 1973-10-02 |
| Stringer Foundation For Slide Fastener Grant 3,757,541 - Frohlich , et al. September 11, 1 | 1973-09-11 |
| Apparatus For Thermofixing Of Slide-fastener Coupling Chains Grant 3,730,817 - Frohlich , et al. May 1, 1 | 1973-05-01 |
| Slide-fastener Stringer With Stitched-on Coupling Element Grant 3,714,683 - Frohlich , et al. February 6, 1 | 1973-02-06 |
| Method Of Making Side-fastener Stringers Grant 3,685,474 - Frohlich , et al. August 22, 1 | 1972-08-22 |
| Tape-supported Separable Slide Fastener Grant 3,663,996 - Heimberger , et al. May 23, 1 | 1972-05-23 |
| Method Of Making Slide Fasteners Grant 3,608,035 - Frohlich September 21, 1 | 1971-09-21 |
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