Tools and hardware – Fastener – support or mount not elsewhere specified
Patent
1981-06-15
1984-02-07
Bullock, B. J.
Tools and hardware
Fastener, support or mount not elsewhere specified
D 8313, D 8384, D25 98, D0808, D0806, D2599
Patent
active
D02725177
REFERENCES:
patent: 2886370 (1959-05-01), Lichert
patent: 3187694 (1965-06-01), Crookston et al.
patent: 3259086 (1966-07-01), Stein
patent: 4262951 (1981-04-01), Hoyer
patent: 4304431 (1981-12-01), Walston
Twin City Testing and Engineering Laboratory, Load Test of Prestressed Concrete Plank End Lifter System, Dec. 14, 1978.
Bullock B. J.
Fabcon, Inc.
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