Number | Date | Country | Kind |
---|---|---|---|
7807757 | Jul 1978 | NLX |
Number | Name | Date | Kind |
---|---|---|---|
2146365 | Batchelor | Feb 1939 | |
3128407 | Mattson | Apr 1964 | |
3885191 | Kerstetter | May 1975 | |
3894261 | Corson | Jul 1975 | |
3928784 | Weijland | Dec 1975 | |
4112327 | Eisele | Sep 1978 |
Number | Date | Country |
---|---|---|
AD.50983 | Jul 1938 | FRX |
Entry |
---|
Funk Technik, No. 1--1978, pp. 1-6. |