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Class Information
Number: 16/109
Name: Miscellaneous hardware > Ferrules, rings, and thimbles > Ring ferrules
Description: Devices substantially in the form of rings.

Patents under this class:

Patent Number Title Of Patent Date Issued
5722122 Pintlepin Mar. 3, 1998
4581481 Guard ring for long-distance transmission lines Apr. 8, 1986
4535503 Door glass hinge having a spacer ring Aug. 20, 1985
4467546 Gun barrel choke Aug. 28, 1984
4029105 Tracheostomy and endotracheal units Jun. 14, 1977
3978548 End cap for primary windings Sep. 7, 1976

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