子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 221 | Airship | US27536628 | 1928-05-05 | US1741446A | 1929-12-31 | TURNER GEORGE W |
| 222 | Airship | US10946626 | 1926-05-17 | US1736439A | 1929-11-19 | FREESE CLAUDE H |
| 223 | Airship | US31325528 | 1928-10-18 | US1726754A | 1929-09-03 | MOE EDWARD E |
| 224 | Rigid airship | US21402827 | 1927-08-19 | US1724440A | 1929-08-13 | NEVILLE WALLIS BARNES; DENNISTON BURNEY CHARLES |
| 225 | Heavier-than-air airship | US27733328 | 1928-05-12 | US1718109A | 1929-06-18 | COLEMAN BROWN GEORGE |
| 226 | Collapsible gas container with internal bracing | US25500928 | 1928-02-17 | US1715829A | 1929-06-04 | OTTO GEISLER |
| 227 | upson | US1706830D | US1706830A | 1929-03-26 | ||
| 228 | Airship | US29216128 | 1928-07-12 | US1706080A | 1929-03-19 | ALFONS SCHAEFER |
| 229 | Combination airship and aeroplane | US25796728 | 1928-02-29 | US1705170A | 1929-03-12 | PETER ARNDT |
| 230 | Rigid airship | US7321425 | 1925-12-04 | US1700095A | 1929-01-22 | PAUL HELMA |
| 231 | Airship | US25112928 | 1928-02-01 | US1685458A | 1928-09-25 | LIDBACK LEONARD P |
| 232 | Aeronautics | US20521127 | 1927-07-12 | US1684240A | 1928-09-11 | PIGEON JOSEPH E |
| 233 | Rigid airship | US450425 | 1925-01-24 | US1675009A | 1928-06-26 | NEVILLE WALLIS BARNES |
| 234 | Airship | US20133527 | 1927-06-25 | US1671802A | 1928-05-29 | WHITTLESEY JOHN E |
| 235 | Rigid airship | US283225 | 1925-01-16 | US1669592A | 1928-05-15 | KARL ARNSTEIN |
| 236 | Airship | US3368025 | 1925-05-29 | US1666112A | 1928-04-17 | NEVILLE WALLIS BARNES |
| 237 | Hull structure for gigid airships | US20047527 | 1927-06-21 | US1662021A | 1928-03-06 | KARL ARNSTEIN |
| 238 | Aibshie | US1658452D | US1658452A | 1928-02-07 | ||
| 239 | Airship | US4564925 | 1925-07-23 | US1642270A | 1927-09-13 | BENTON SLATE THOMAS |
| 240 | Rigid aircraft | US7885226 | 1926-01-02 | US1632641A | 1927-06-14 | FRANK BAUER |
QQ群二维码
意见反馈
意见反馈