Title:
Portable scaffold unit
United States Patent 2665950
Inventors:
Johnson, Wallace J. S.
Publication Date:
01/12/1954
Export Citation:
Click for automatic bibliography generation
Assignee:
Johnson, Wallace J. S.
Primary Class:
52/637
Other Classes:
24/600.7, 182/115, 403/49, 403/190
International Classes:
E04G7/30; E04G7/00
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US Patent References:
2419727Ladder platform
2308831Structural member
2303428Metal scaffolding
2181784Scaffold
1980862Wrench
1880767Scaffold
1490548Sectional scaffold
1051428N/A
0840636N/A
0582238N/A
0524270N/A
0362768N/A
0153270N/A
Foreign References:
GB489585A