| 3102735 | Steerable trailer | 1963-09-03 | ||
| 3079662 | Method of concrete construction | 1963-03-05 | ||
| 3072996 | Roof structure form employing radial cables | 1963-01-15 | ||
| 2612384 | Trailer hitch | 1952-09-30 | ||
| 2414310 | Method of building concrete oil storage tanks | 1947-01-14 | ||
| 1963983 | Method of building floor and roof structures | 1934-06-26 | ||
| 1885699 | Metal form holder for concrete wall construction | 1932-11-01 | ||
| 1596868 | Floor form | 1926-08-24 | ||
| 1584658 | Concrete-roof form | 1926-05-11 | ||
| 1073339 | N/A | 1913-09-16 | ||
| 1009848 | N/A | 1911-11-28 | ||
| 0984216 | N/A | 1911-02-14 | ||
| 0974778 | N/A | 1910-11-08 | ||
| 0717163 | N/A | 1902-12-30 | ||
| 0411468 | N/A | 1889-09-24 | ||
| 0378977 | N/A | 1888-03-06 |