Method of making filter cartridges, abrasive sheets, scouring pads, and the like

Method of making filter cartridges, abrasive sheets, scouring pads, and the like

United States Patent 2411660

Inventors:

Manning, Fred W.

Publication Date:

11/26/1946

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Assignee:

Manning, Fred W.

Primary Class:

156/167

Other Classes:

156/175, 264/DIG.076, 264/210.200, 55/527, 264/211.120, 264/112, 210/216, 55/528, 264/DIG.075, 51/303, 156/183, 210/496, 156/433, 55/524, 51/293

International Classes:

D01G1/04; D04H3/16; D01G1/00