Safety mechanism in revolving lift doors of a relocatable lift
A Petty patent application filed on 13 February 1995 credited to Jones, Albert W.
;
Brain, Robert H.
Details
Application number :
11698
Application type :
Petty
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Safety mechanism in revolving lift doors of a relocatable lift