Title:
Safety trestle
Document Type and Number:
United States Patent 2430642

Inventors:
Lynn, Mahaffey Jesse
Publication Date:
11/11/1947
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Assignee:
Lynn, Mahaffey Jesse
Primary Class:
Other Classes:
182/121, 182/222
International Classes:
B25H1/06; E04G1/30; B25H1/00; E04G1/00
US Patent References:
0524270
0711384
0840636
1376924Scaffold
1593945Portable scaffold
1653763Scaffold
1721670Scaffold
2171284Scaffold
2335046Portable and adjustable knockdown scaffold




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