United States Patent 3006286
US Patent References:
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- - 0328679

/0512174.html
- - 0512174

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- - 0616813

/1312417.html
- - 1312417

Monorail system
- - 1469997


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Primary Class:
104/63
Other Classes:
104/246, 104/119, 105/141, 191/47, 191/29R
US Patent References:
1588505Testing apparatus or course
1740496
1748210Amusement apparatus
2607100Machine for building walls of hardenable plastic material
2800861Anti-derailing device
2853956Monobeam systems and apparatus