Detachable anchor bolts
United States Patent 3244055
US Patent References:
/0569235.html
- - 0569235

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- - 2573498

Metal-to-wood fastening for railway ties
- - 2690879

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- - 2829502

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- - 2890845


Inventors:
Fritz, Schuermann
Rudolf, Novotny
Publication Date:
04/05/1966
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Assignee:
Fritz, Schuermann
Rudolf, Novotny
Primary Class:
411/378
Other Classes:
411/383, 405/259.100, 411/922
International Classes:
F16B35/04
Foreign References:
GB188903012A
CH70309A