Invention Grant
US764863A Process of extracting resinous matter from long-leaf or pitch pine. 失效
从长叶或松木提取树脂的方法。

  • Patent Title: Process of extracting resinous matter from long-leaf or pitch pine.
  • Patent Title (中): 从长叶或松木提取树脂的方法。
  • Application No.: US1903143258
    Application Date: 1903-02-13
  • Publication No.: US764863A
    Publication Date: 1904-07-12
  • Inventor: PENNIMAN WILLIAM B D
  • Applicant: PENNIMAN WILLIAM B D
  • Assignee: William B D Penniman
  • Current Assignee: William B D Penniman
  • Priority: US1903143258 1903-02-13
Process of extracting resinous matter from long-leaf or pitch pine.
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