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CPC
B21K11/12
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Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B21
Mechanical metalworking
B21K
MAKING FORGED OR PRESSED METAL PRODUCTS
B21K11/00
Making cutlery wares Making garden tools or the like
Current Industry
B21K11/12
spades shovels
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Patents Grants
last 30 patents
Information
Patent Grant
Earth working sweep
Patent number
6,508,147
Issue date
Jan 21, 2003
Douglas G. Bruce
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Method of making an earth tilling sweep from disc scrap
Patent number
6,119,321
Issue date
Sep 19, 2000
Douglas G. Bruce
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
2410784
Patent number
2,410,784
Issue date
Nov 5, 1946
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
2344803
Patent number
2,344,803
Issue date
Mar 21, 1944
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
1616273
Patent number
1,616,273
Issue date
Feb 1, 1927
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
1615326
Patent number
1,615,326
Issue date
Jan 25, 1927
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
1614498
Patent number
1,614,498
Issue date
Jan 18, 1927
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
1608729
Patent number
1,608,729
Issue date
Nov 30, 1926
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
1579027
Patent number
1,579,027
Issue date
Mar 30, 1926
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
Earth working sweep
Publication number
20030010157
Publication date
Jan 16, 2003
Douglas G. Bruce
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...