Number | Date | Country | Kind |
---|---|---|---|
60-273797 | Dec 1985 | JPX | |
60-299559 | Dec 1985 | JPX | |
60-299560 | Dec 1985 | JPX | |
61-008442 | Jan 1986 | JPX | |
61-034469 | Feb 1986 | JPX | |
61-038920 | Feb 1986 | JPX | |
61-187059 | Aug 1986 | JPX | |
61-187060 | Aug 1986 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1957732 | Rowe | May 1934 | |
2248413 | Rathbun | Jul 1941 | |
2802766 | Leverenz | Aug 1957 | |
2976577 | Gould | Mar 1961 | |
3258511 | McGregor, Jr. | Jun 1966 | |
3875275 | Lemelson | Apr 1975 | |
4031176 | Molbert | Jun 1977 | |
4138283 | Hanusa | Feb 1979 | |
4323410 | Urai | Apr 1982 | |
4379103 | Doerfling | Apr 1983 | |
4738809 | Storch | Apr 1988 |
Number | Date | Country |
---|---|---|
53-28684 | Mar 1978 | JPX |
59-20635 | Feb 1984 | JPX |
59-83632 | May 1984 | JPX |
Entry |
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"The Blowing of Plastics", Modern Plastics, Oct. 1943, pp. 96-97. |