Ships – Building – Canal and ferry boats
Patent
1975-03-21
1976-07-06
Shapiro, Jacob
Ships
Building
Canal and ferry boats
61 69R, 114221A, 166 5, F16L 100, E21B 712
Patent
active
039674606
ABSTRACT:
Apparatus is disclosed which permits a broken guideline which normally extends upwardly from an underwater guidepost to be cut and replaced in one trip.
REFERENCES:
patent: 2249358 (1941-07-01), Haynes
patent: 3452815 (1969-07-01), Watkins
patent: 3493043 (1970-02-01), Watkins
patent: 3709291 (1973-01-01), Hanes et al.
Cameron Iron Works, Inc.
Eichenroht Marvin B.
Hyer W. F.
Shapiro Jacob
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