CUBE AND PARALLELEPIPED HALF BLOCKS FORMING MODULAR ELEMENTS CONNECTABLE IN VARIOUS WAYS
United States Patent 3545122
US Patent References:
Construction toy comprising blocks and coupling means
3195266
Educational apparatus for simulating atomic and molecular models
3156986
Construction toy comprising blocks and coupling means
3195266
Educational apparatus for simulating atomic and molecular models
3156986
Inventors:
Onanian, Richard A.
Publication Date:
12/08/1970
Export Citation:
Assignee:
Richard, Onanian A.
Primary Class:
Other Classes:
446/104
International Classes:
A63H33/08; A63H33/04; A63H33/08
View Patent Images:
Foreign References:
| AU229861B | ||||
| GB923907A | ||||
| GB941040A |