Patent Grant
D307311
| Number | Name | Date | Kind |
|---|---|---|---|
| D98770 | Huson | Mar 1936 | |
| D203036 | Hoehne | Nov 1965 | |
| D206419 | Tecton | Dec 1966 | |
| D224073 | Noghmura | Jun 1972 | |
| D252582 | Rain | Aug 1979 | |
| D282192 | Grenier | Jan 1986 | |
| 1302182 | Lanchester | Apr 1919 | |
| 1313547 | Luebert | Aug 1919 | |
| 1481019 | Luebert | Jan 1924 | |
| 1820412 | Warren | Aug 1931 | |
| 1839076 | Adams | Dec 1931 | |
| 2349993 | Schwimmer et al. | May 1944 | |
| 2932304 | Voege et al. | Apr 1960 | |
| 2988096 | Otto | Jun 1961 | |
| 3388711 | Huddle | Jun 1968 | |
| 3810481 | Nohmura | May 1974 | |
| 4068404 | Sheldon | Jan 1978 | |
| 4229914 | Lucas | Oct 1980 | |
| 4537210 | Montgomery | Aug 1985 | |
| 4690161 | Dalo et al. | Sep 1987 |
| Entry |
|---|
| Portomond Flier, Seaman International, Membrane Structure. |
