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of paper fasteners or clips
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CPC
B21F45/22
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Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B21
Mechanical metalworking
B21F
WORKING OR PROCESSING OF METAL WIRE
B21F45/00
Wire-working in the manufacture of other particular articles
Current Industry
B21F45/22
of paper fasteners or clips
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Patents Grants
last 30 patents
Information
Patent Grant
Process of manufacturing an aneurysm clip
Patent number
5,758,420
Issue date
Jun 2, 1998
Florida Hospital Supplies, Inc.
Ferenc J. Schmidt
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Wire feeding and wire forming device for paper clip making machine
Patent number
4,434,818
Issue date
Mar 6, 1984
Chen; Shu-Chang
Jaw S. Yeh
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Apparatus for making paper clips
Patent number
4,310,032
Issue date
Jan 12, 1982
Dextrous Engineering & Sales Corp.
Marcel H. Normandin
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Universal clip and structure for making same
Patent number
4,274,450
Issue date
Jun 23, 1981
Sproles; Michael Andrew
Gail W. Doerge
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and apparatus for forming wire to noncircular cross sections
Patent number
4,173,235
Issue date
Nov 6, 1979
Maynard J. G. Tipper
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
2472711
Patent number
2,472,711
Issue date
Jun 7, 1949
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
2297156
Patent number
2,297,156
Issue date
Sep 29, 1942
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
2153724
Patent number
2,153,724
Issue date
Apr 11, 1939
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
2101195
Patent number
2,101,195
Issue date
Dec 7, 1937
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
2048459
Patent number
2,048,459
Issue date
Jul 21, 1936
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
2047129
Patent number
2,047,129
Issue date
Jul 7, 1936
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
1655747
Patent number
1,655,747
Issue date
Jan 10, 1928
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
1654077
Patent number
1,654,077
Issue date
Dec 27, 1927
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
1609291
Patent number
1,609,291
Issue date
Dec 7, 1926
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
1355587
Patent number
1,355,587
Issue date
Oct 12, 1920
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
1319163
Patent number
1,319,163
Issue date
Oct 21, 1919
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
1192631
Patent number
1,192,631
Issue date
Jul 25, 1916
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
1170676
Patent number
1,170,676
Issue date
Feb 8, 1916
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
1167725
Patent number
1,167,725
Issue date
Jan 11, 1916
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
822445
Patent number
822,445
Issue date
Jun 5, 1906
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
643224
Patent number
643,224
Issue date
Feb 13, 1900
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
636272
Patent number
636,272
Issue date
Nov 7, 1899
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
627914
Patent number
627,914
Issue date
Jun 27, 1899
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
598131
Patent number
598,131
Issue date
Feb 1, 1898
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
534468
Patent number
534,468
Issue date
Feb 19, 1895
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
492051
Patent number
492,051
Issue date
Feb 21, 1893
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
469911
Patent number
469,911
Issue date
Mar 1, 1892
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
392878
Patent number
392,878
Issue date
Nov 13, 1888
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
390514
Patent number
390,514
Issue date
Oct 2, 1888
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
319206
Patent number
319,206
Issue date
Jun 2, 1885
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
FASTENER DEVICE
Publication number
20150176618
Publication date
Jun 25, 2015
Mattson Thomas Thieme
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...