| 2584015 | Adjustable fitting | 1952-01-29 | ||
| 2481885 | Scaffold | 1949-09-13 | ||
| 2472423 | Scaffolding | 1949-06-07 | ||
| 2203114 | Scaffold jack | 1940-06-04 | ||
| 2198758 | Truck support | 1940-04-30 | ||
| 2140617 | Adjustable scaffold | 1938-12-20 | ||
| 2126811 | Caster | 1938-08-16 | ||
| 1874005 | Method of and apparatus for raising roofs | 1932-08-30 | ||
| 1776439 | Adjustable shore | 1930-09-23 | ||
| 1757106 | Power washing machine | 1930-05-06 | ||
| 1719528 | Support for concrete forms | 1929-07-02 | ||
| 1498665 | Adjustable shoring | 1924-06-24 | ||
| 1285266 | N/A | 1918-11-19 | ||
| 1252093 | N/A | 1918-01-01 | ||
| 1123882 | N/A | 1915-01-05 | ||
| 1036726 | N/A | 1912-08-27 | ||
| 0942592 | N/A | 1909-12-07 | ||
| 0934949 | N/A | 1909-09-21 |