Polar Research, Inc.

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Thief River Falls, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Antenna tower assembly and method for supporting rotating carriage
- Patent number 4,473,827
- Issue date Sep 25, 1984
- Polar Research, Inc.
- Gary L. Ellingson
- E04 - BUILDING
Information Patent Grant
Antenna rotator with friction drive
- Patent number 4,470,050
- Issue date Sep 4, 1984
- Polar Research, Inc.
- Gary L. Ellingson
- E04 - BUILDING
Information Patent Grant
Antenna tower assembly and method of attaching antennas
- Patent number 4,468,671
- Issue date Aug 28, 1984
- Polar Research, Inc.
- Gary L. Ellingson
- E04 - BUILDING
Information Patent Grant
Antenna tower assembly
- Patent number 4,450,450
- Issue date May 22, 1984
- Polar Research, Inc.
- Gary L. Ellingson
- E04 - BUILDING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73410897
- Serial number 73410897
- Registration number 1308689
- Filing date Jan 25, 1983
- Polar Research, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments