Title:
Elevator safety apparatus
United States Patent 2804175
US Patent References:
/0741481.html
- - 0741481

/1163239.html
- - 1163239

Elevator safety apparatus
- - 1373944

Safety suspending apparatus for mine cages and lifts
- - 1515452

Elevator safety device
- - 2629461


Inventors:
Phillips, Joseph C.
Publication Date:
08/27/1957
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Assignee:
Phillips, Joseph C.
Primary Class:
187/368
Other Classes:
187/367
International Classes:
B66B5/20; B66B5/16