SPIRAL STEP TOOL COMPANY

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ELK GROVE VILLAGE, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Automatic tool grinding machine with computerized control
- Patent number 4,608,643
- Issue date Aug 26, 1986
- Spiral Step Tool Company
- Charles T. Breitenstein
- G05 - CONTROLLING REGULATING
Information Patent Grant
Drill pre-pointing machine
- Patent number 4,107,882
- Issue date Aug 22, 1978
- Spiral Step Tool Company
- Charles Thomas Breitenstein
- B24 - GRINDING POLISHING
Information Patent Grant
Automatic flute grinding machine
- Patent number 4,068,414
- Issue date Jan 17, 1978
- Spiral Step Tool Company
- Charles Thomas Breitenstein
- B24 - GRINDING POLISHING
Information Patent Grant
Hopper payout for various coin denominations
- Patent number 4,036,242
- Issue date Jul 19, 1977
- Spiral Step Tool Company
- Charles T. Breitenstein
- G07 - CHECKING-DEVICES
Information Patent Grant
Hopper payout for various coin denominations
- Patent number 3,942,544
- Issue date Mar 9, 1976
- Spiral Step Tool Company
- Charles T. Breitenstein
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73439037 - SPI-CARB
- Serial number 73439037
- Filing date Aug 12, 1983
- SPIRAL STEP TOOL COMPANY
- 7 - Machines and machine tools
Information Trademark
73439036 - SPI CARB
- Serial number 73439036
- Registration number 1351338
- Filing date Aug 12, 1983
- SPIRAL STEP TOOL COMPANY
- 7 - Machines and machine tools