Joshua J. Leonard

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Roseau, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Protective helmet with selectively covered aperture
- Patent number 6,925,655
- Issue date Aug 9, 2005
- Polaris Industries Inc.
- Richard R. Maki
- A42 - HEADWEAR
Information Patent Grant
Positive pressure protective helmet
- Patent number 6,904,616
- Issue date Jun 14, 2005
- Polaris Industries Inc.
- Richard R. Maki
- A42 - HEADWEAR