| 1954 WALTER Building Construction Toy Patent |
| 1922 METCALFE Toy Building Construction Patent |
| 1867 FARRAR Building Construction Design Patent 12476 |
| 1936 PAULSON Toy Building Construction Patent |
| 1958 VOM Toy Building Construction Forms Patent |
| 1961 FULLER Truss Building Construction Patent 42910 |
| 1965 GRIEB Dome Building Construction Patent 42814 |
| 1954 FULLER Building Frame Construction Patent 43046 |
| 1960 ATWOOD Building Construction NELLIE Patent 42949 |
| 1930 GILBERT Toy Building Construction Patent |
| 1965 BROOKS Novel Building Construction Patent 42822 |
| 1926 WESSEL Toy Building Construction Patent |
| 1957 PASHKE Small Building Construction Patent 22907 |
| 1920 GILBERT Toy Building Construction Patent |
| 1961 GOGINS Toy Building Construction Patent |
| 1938 PAULSON Toy Building Construction Patent |
| 1951 GABO Building Construction Unit Patent 43080 |
| 1929 GILBERT Toy Building Construction Patent |
| 1978 WICKWIRE Arch Building Construction Patent 38210 |
| 1933 ZIMMERMAN Building Construction Patent |
| 1945 KING Building Construction BURNHAM Patent 43142 |
| 1929 KOHLER Toy Building Construction Patent |
| 1935 BAYLEY Metal Building Construction Patent |
| 1922 GILBERT Toy Building Construction Patent |
| 1937 PAULSON Toy Building Construction Patent |
| 1931 ROGERS Toy Building Construction Patent |