Static structures (e.g. – buildings) – Machine or implement
Patent
1987-01-12
1987-10-20
Bell, J. Karl
Static structures (e.g., buildings)
Machine or implement
52748, E04D 1502
Patent
active
047005262
ABSTRACT:
Roofing apparatus comprises:
REFERENCES:
patent: 3093936 (1963-06-01), Figge
patent: 3122862 (1964-03-01), Figge
patent: 3245192 (1966-04-01), Hilson
patent: 3438170 (1969-04-01), White
patent: 3566562 (1971-03-01), White
patent: 3769916 (1973-11-01), Hogan
patent: 4043093 (1977-08-01), Riggs
patent: 4068446 (1978-01-01), Brueske
Bell J. Karl
Haefliger William W.
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