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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Ruiz, Sr.; Rene A.
Address:
Houston, TX
No. of patents:
1
Patents:




Patent Number Title Of Patent Date Issued
5341902 Energy saver elevator August 30, 1994
An energy saver elevator is provided which consists of an elevator car, an elongated cable connected to the elevator car and a counterweight connected to the elongated cable. A DC power source and an auxiliary AC power source are also provided. A mechanism powered by the DC power source


 
 
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