Cameron
Canada
2
2005-08-11
1
2007-10-09
These are the the leading inventors for applications assigned to Ronald H. Ball:
Ronald H. Ball based in Cameron, CA has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Positive drive handrail assembly
#2 | 2005-06-02 ✅ Patent 7,278,528 granted on 2007-10-09Method of and apparatus for applying a film optionally including advertising or other visible material, to the surface of a handrail for an escalator or moving walkway
301114 ⎘