James J. Curtin

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Clearwater, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Mailable 3-D viewers of post card size
- Patent number 5,136,423
- Issue date Aug 4, 1992
- James J. Curtin
- G02 - OPTICS
Information Patent Grant
Mailable 3-D viewers of post card size
- Patent number 5,058,991
- Issue date Oct 22, 1991
- James J. Curtin
- G02 - OPTICS
Information Patent Grant
3-D viewers made from sheet materials
- Patent number 5,000,543
- Issue date Mar 19, 1991
- James Curtin
- G02 - OPTICS
Information Patent Grant
Stereoscopic viewer of the lorgnette type
- Patent number 4,730,898
- Issue date Mar 15, 1988
- RCI Group, Inc.
- James J. Curtin
- G02 - OPTICS