Sawing grooves in walls; portable sawing machines

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Patents Grantslast 30 patents

Information Patent Grant
Electric double-blade slot cutting machine
- Patent number 9,266,253
- Issue date Feb 23, 2016
- Hammer Electric Power Tools Co., Ltd.
- Liang Huang
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Heavy duty jig saw
- Patent number 3,982,521
- Issue date Sep 28, 1976
- Hans Bieri
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
3675972
- Patent number 3,675,972
- Issue date Jul 11, 1972
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
2175499
- Patent number 2,175,499
- Issue date Oct 10, 1939
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
2165335
- Patent number 2,165,335
- Issue date Jul 11, 1939
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
1558040
- Patent number 1,558,040
- Issue date Oct 20, 1925
- B28 - WORKING CEMENT, CLAY, OR STONE