Number | Date | Country | Kind |
---|---|---|---|
79 10679 | Apr 1979 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
1645604 | Lower | Oct 1927 | |
2394122 | Urmston | Feb 1946 | |
2927876 | Hoppe et al. | Mar 1960 | |
3093410 | Wilson | Jun 1963 | |
3129269 | Charvat | Apr 1964 | |
3246443 | Slemmons | Apr 1966 | |
3390214 | Woods | Jun 1968 | |
3408106 | Bolling et al. | Oct 1968 | |
3431331 | Pincus et al. | Mar 1969 | |
3490810 | Putnam | Jan 1970 | |
3493449 | Krug | Feb 1970 | |
3737266 | Yamamoto | Jun 1973 | |
3819232 | Wagner | Jun 1974 | |
3878277 | Velte | Apr 1975 | |
3932252 | Woods | Jan 1976 | |
3952082 | Arnaud | Apr 1976 | |
3972565 | Smith | Aug 1976 | |
3978181 | Vahle | Aug 1976 | |
4040881 | Wallace | Aug 1977 | |
4130614 | Saidla | Dec 1978 |
Number | Date | Country |
---|---|---|
47-20284 | Sep 1972 | JPX |
224668 | Mar 1943 | CHX |
Entry |
---|
IBM Technical Disclosure Bulletin, "Foamed Air Bearing Cylinder", by R. N. Wood, vol. 3, No. 10, Mar. 1961, p. 22. |