Portable lifting unit

Details Portable lifting unit Portable lifting unit

1995-04-07

1996-12-24

Lucas, Susan J.

Material or article handling equipment

Conveying, lifting, or transferring article

Patent

active

D03768856

REFERENCES:
patent: D241839 (1976-10-01), Kammeraad
patent: D285378 (1986-08-01), Norell
patent: D341242 (1993-11-01), Thorby
patent: D349996 (1994-08-01), Litwiller
patent: 1961119 (1934-05-01), Ettinger
patent: 2846091 (1958-08-01), Heffner
patent: 3952893 (1976-04-01), Kolesar
patent: 4484366 (1984-11-01), Koontz
patent: 4761842 (1988-08-01), Weiner
patent: 5431526 (1995-07-01), Peterson et al.
patent: 5445487 (1995-08-01), Koscinski, Jr.
Air Technical Industries, Apr. 1993, p. 4, "Foldable Cranes".
Rental Tools & Equipment, 1984, p. 51, 1500 lb Knock-Down Crane.

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