Backstrong lumbar extension machine
A Standard patent application filed on 25 October 1999 credited to Robertson, Virgil L.
;
Pierra, Eric A.
;
Verna, Joe L.
Details
Application number :
13224
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Backstrong lumbar extension machine
Inventor :
Robertson, Virgil L.
;
Pierra, Eric A.
;
Verna, Joe L.