Safety trestle
United States Patent 2430642
US Patent References:
/0524270.html
- - 0524270

/0711384.html
- - 0711384

/0840636.html
- - 0840636

Scaffold
- - 1376924

Portable scaffold
- - 1593945


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:
1653763Scaffold
1721670Scaffold
2171284Scaffold
2335046Portable and adjustable knockdown scaffold