United States Patent 2724156
Inventors:
Shaw, Francis B.
Publication Date:
11/22/1955
Assignee:
Shaw, Francis B.
Other Classes:
52/170, 52/835
International Classes:
E04H12/22
US Patent References:
| 1735722 | Pole-protecting device | | | |
| 2109467 | Cap mechanism for treating felled green timber | | | |
| 2139422 | Process for preserving standing poles | | | |
Foreign References:
| GB184711842A | | | | |
| GB187203109A | | | | |
| FR382517A | | | | |