Matches 1 - 15 out of 15
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7500604 Chambered presentation instruments and methods  
Transactional presentation instrument systems having one or more chambers, and method of using and constructing such systems are provided. Systems can include a presentation instrument, an...
7310900 Liquid-filled display device  
A liquid-filled display device includes a hollow member mounted on a transparent top end wall of a hollow base and confining a water-tight inner space filled with a liquid body, and a display unit...
6062935 Bubble generator  
A bubble generator for producing a stream of uniform bubbles includes components which are stationary. The bubble generator includes a container or plenum having an inclined face plate with a...
D388838 Bubble tower  
4670820 Animated night-light and music-box combination  
An animated night-light and music-box combination comprises a housing, a pull-cord-type drive assembly mounted in the housing, a rotatable display disc having visual display thereon driven by the...
4606731 Bubble pipe  
A bubble pipe, which comprises a hollow tubular member having first and second open ends, a mouthpiece closing said first end and having an orifice therein communicating with the interior of said...
4540368 Educational visual apparatus  
Optical device comprising a base (14), transparent side wall (12A) and soap bubble (18) formation in arrangement, together with a light source, for viewing light from a source refracted from the...
4258912 Tornado novelty device  
A novelty device for producing a liquid vortex which simulates a tornado in a transparent circular-shaped chamber which is mounted on top of a housing and filled with a liquid. A flexible bag is...
4257185 Bubble producing, preserving and display apparatus  
The invention disclosed by this application relates to a device for producing, preserving and displaying a bubble which comprises a casing which is at least partially transparent, a bubble forming...
4205481 Bubble viewing and preserving device  
This invention relates to an apparatus and method for preserving bubbles permitting prolonged observation of the bubble. The device comprises, a bubble on a support therefor and a housing around...
4133124 Display device  
Diffused light is projected onto a supported thin film in the form of a truncated sphere. The device has a light source disposed at the bottom end of a housing constructed of a light shielding...
3271881 Teaching aid  
3021639 Soap bubble toy  
2862320 Bubble producing device  
2813361 Apparatus for forming and projecting bubbles  
Matches 1 - 15 out of 15