MATERIAL LIFT AND PRESS
United States Patent 3487952
US Patent References:
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- - 1442267

Hoist
- - 2828870

Tilt panel hoist device
- - 3058602

Hoist
- - 3089599

Wallboard positioning device
- - 3181711


Inventors:
Owens, Bernard E.
Maher, Pat
Publication Date:
01/06/1970
View Patent Images:
Assignee:
Owens, Bernard E.
Pat, Maher
Primary Class:
Other Classes:
254/127, 269/56, 269/21, 269/17, 182/2.200, 269/309, 254/4R
International Classes:
E04F21/18; B66F9/12; E04G1/22
US Patent References:
3318465Load lifting apparatus
Foreign References:
FR1378978A




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