RATELCO, INC.

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PHILADELPHIA, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Voltage regulation apparatus using simulated ferroresonance
- Patent number 4,156,175
- Issue date May 22, 1979
- Ratelco, Inc.
- Itzhak Nissan
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
74326348 - GUARDIAN
- Serial number 74326348
- Registration number 1877433
- Filing date Oct 29, 1992
- Ratelco, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74326347 - RATELCO
- Serial number 74326347
- Registration number 1879541
- Filing date Oct 29, 1992
- Ratelco, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73149674 - POWER LINE EMULATOR
- Serial number 73149674
- Registration number 1133516
- Filing date Nov 23, 1977
- RATELCO, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments