| 2978758 | Water-beam canopy | 1961-04-11 | ||
| 2974747 | Electric precipitators | 1961-03-14 | ||
| 2873750 | Umbrella tent | 1959-02-17 | ||
| 2792794 | Bomb shelter | 1957-05-21 | ||
| 2475515 | Insect excluding compartment | 1949-07-05 | ||
| 2355248 | Building with air supported roof and method of constructing the same | 1944-08-08 | ||
| 1451208 | Tent-tension equalizer | 1923-04-10 | ||
| 1409316 | Bathing tent | 1922-03-14 | ||
| 0284846 | N/A | 1883-09-11 | ||
| 0256774 | N/A | 1882-04-18 |
| DE680846C | 1939-09-08 |