Michael J. Barthold

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Flemington, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Radio apparatus head-protective helmet
- Patent number 6,298,249
- Issue date Oct 2, 2001
- Mine Safety Appliances Company
- Michael M. Locarno
- A42 - HEADWEAR
Information Patent Grant
Head-protective helmet and assemblies thereof
- Patent number 6,032,297
- Issue date Mar 7, 2000
- Cairns & Brother Inc.
- Michael J. Barthold
- A42 - HEADWEAR
Information Patent Grant
Crown pad and head-protective helmet
- Patent number 5,996,126
- Issue date Dec 7, 1999
- Cairns & Brother Inc.
- Michael J. Barthold
- A42 - HEADWEAR
Information Patent Grant
Combination head and eye-protective apparatus and goggles
- Patent number 5,937,439
- Issue date Aug 17, 1999
- Cairns & Brother Inc.
- Michael J. Barthold
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Head-protective helmet mounting member for mounting helmet componen...
- Patent number 5,898,949
- Issue date May 4, 1999
- Cairns & Brother Inc.
- Michael J. Barthold
- A42 - HEADWEAR
Information Patent Grant
Combination head and eye-protective apparatus and goggles
- Patent number 5,845,341
- Issue date Dec 8, 1998
- Cairns & Brother Inc.
- Michael J. Barthold
- A42 - HEADWEAR