Number | Date | Country | Kind |
---|---|---|---|
51-101983 | Aug 1976 | JPX | |
52-11594 | Feb 1977 | JPX | |
52-31853 | Mar 1977 | JPX | |
52-35047 | Mar 1977 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3697160 | Clark | Oct 1972 | |
3778841 | Gundlach et al. | Dec 1973 | |
3850519 | Weikel, Jr. | Nov 1974 | |
3947113 | Buchan et al. | Mar 1976 | |
3961951 | Mayer et al. | Jun 1976 | |
4000942 | Ito et al. | Jan 1977 |
Number | Date | Country |
---|---|---|
2,627,464 | Dec 1976 | DEX |
Entry |
---|
"Transfer Charge Maintaining System" Borostyan, Xe Discl. Journal, vol. 1, No. 6, Jun. 1976, p. 83. |