MATERIAL LIFT AND PRESS - Patent 3487952

MATERIAL LIFT AND PRESS

United States Patent 3487952

US Patent References:
Elevator
- - 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

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Assignee:

Owens, Bernard E.
Pat, Maher

Primary Class:

414/11

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:

Load lifting apparatus

Foreign References:

FR1378978A