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2019
|
Invention
|
Modular barrier system with panels having attached links. A modular barrier system enables demoun... |
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2017
|
Invention
|
Modular barrier system. A portable ice rink includes a wall formed of multiple wall members linea... |
|
1999
|
Invention
|
Actuation mechanism for variable focal length spectacles. An actuating mechanism for spectacles w... |
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1998
|
Invention
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Variable spectacle lens. A liquid-filled variable focal length lens of the type which has a diste... |
|
1995
|
Invention
|
Spectacles using variable focal length lenses which have an arbitrarily shaped periphery. A varia... |
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1994
|
Invention
|
Actuation mechanism for variable focal length eyeglasses. Variable power eyeglasses of many shape... |
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|
Invention
|
Variable focal length lenses which have an arbitrarily shaped periphery. A variable focal length ... |
