Charles M. MacIntosh

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Middleboro, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Connection mounting for rimless eyewear lenses
- Patent number 6,502,940
- Issue date Jan 7, 2003
- The Hilsinger Company LP
- Charles M. MacIntosh
- G02 - OPTICS
Information Patent Grant
Multi-purpose eyeglass retainer
- Patent number 6,053,612
- Issue date Apr 25, 2000
- The Hilsinger Company LP
- Charles M. MacIntosh
- G02 - OPTICS
Information Patent Grant
Pair of tool handles
- Patent number D420886
- Issue date Feb 22, 2000
- The Hilsinger Company LP
- Charles M. MacIntosh
- D08 - Tools and hardware
Information Patent Grant
Modular eyewear assembly
- Patent number 5,997,137
- Issue date Dec 7, 1999
- The Hilsinger Company LP
- Charles M. MacIntosh
- G02 - OPTICS
Information Patent Grant
Dual-purpose nose pad insert assembly
- Patent number 5,872,612
- Issue date Feb 16, 1999
- The Hilsinger Company LP
- Charles M. MacIntosh
- G02 - OPTICS