| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 241 | Kneeler | US18535338 | 1938-01-17 | US2175011A | 1939-10-03 | ROLAND ARCHER DOUGLAS |
| 242 | Knee support roller | US72297934 | 1934-04-28 | US2069476A | 1937-02-02 | JOHN KEIL |
| 243 | Kneeling bench | US620735 | 1935-02-12 | US2053471A | 1936-09-08 | FROST ELMER F |
| 244 | Kneeling stool | US46430030 | 1930-06-27 | US1856297A | 1932-05-03 | ST MARIE ULRIC; GEORGE BERNIER |
| 245 | Kneeling bench | US25509228 | 1928-02-17 | US1712862A | 1929-05-14 | WICKSTRUM CECIL M |
| 246 | Chair attachment | US13754926 | 1926-09-24 | US1653469A | 1927-12-20 | PERRON ADELARD J |
| 247 | Foot rest | US14358426 | 1926-10-23 | US1636206A | 1927-07-19 | BACON FREDERIC W |
| 248 | Kneeling stool | US74792124 | 1924-11-05 | US1554893A | 1925-09-22 | ST MARIE ULRIC; GEORGE BERNIER |
| 249 | Kneeling pad | US55206422 | 1922-04-13 | US1477763A | 1923-12-18 | JOHN O'CONNELL |
| 250 | Prie-dieu. | US7822716 | 1916-02-14 | US1265703A | 1918-05-07 | DREISOERNER HENRY |
| 251 | Knee-rest. | US2236815 | 1915-04-19 | US1171450A | 1916-02-15 | MCINTYRE MALCOLM W |
| 252 | Scaling device. | US1912708312 | 1912-07-08 | US1069088A | 1913-07-29 | TAYLOR CHARLES W |
| 253 | Knee-cushion. | US1905275626 | 1905-08-24 | US830103A | 1906-09-04 | RUNDELL CARRIE E |
| 254 | Knee-rest. | US1902107002 | 1902-05-12 | US718875A | 1903-01-20 | PETTERSEN INGEBORG |
| 255 | Kneeling-board. | US1901062099 | 1901-05-27 | US701050A | 1902-05-27 | KEERAN WILLIAM H |
| 256 | Cotton-picker's truck. | US1900027400 | 1900-08-20 | US667370A | 1901-02-05 | SOWDER CHRISTOPHER C |
| 257 | Fire-escape. | US1899719481 | 1899-06-05 | US630902A | 1899-08-15 | LAMING JOHN |
| 258 | Scrubbing-stool | US546993D | US546993A | 1895-10-01 | ||
| 259 | Kneeling or foot stool | US538489D | US538489A | 1895-04-30 | ||
| 260 | Combined foot-rest and kn eeli ng-stool | US393472D | US393472A | 1888-11-27 | ||
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