CENTERING AND WORKING GEMSTONES
A Standard patent application filed on 27 January 1982 credited to Lawrence, John Charles
;
Dodson, John Sidney
;
Stewart, Andrew David Garry
Details
Application number :
79880
Application type :
Standard
Application status :
EXPIRED
Under opposition :
No
Proceeding type :
Invention title :
CENTERING AND WORKING GEMSTONES
Inventor :
Lawrence, John Charles
;
Dodson, John Sidney
;
Stewart, Andrew David Garry