Lock stitch sewing machines
United States Patent 3224397
Inventors:
Ness, William Van C.
Publication Date:
12/21/1965
Other Classes:
112/235, 112/310
International Classes:
D05B55/14; D05B93/00; D05B55/00
US Patent References:
| 2980044 | Loose stitching mechanisms for single needle lock stitch machines | | | |