Precision blocking of lens blanks
Precision molding of polymers
Prefabricated assembly for poured concrete forming structures
Prefabricated concrete forms assembly
Prefabricated wall form modular unit
Preformed pattern for producing occlusal splints
Press mould half, more especially for producing records
Prestressable passage core
Process and device for producing at least a portion of a tire mo
Process of making integral three-dimensional articles, and...
Process of railroad tie concrete casting
Product forming molds and methods to manufacture same
Product forming molds and methods to manufacture same
Progressive lens apparatus and process
Protective device for casting molds
Pulling iron pocket, lid and shield
Quick change mold insert
Quick-release attachment for core body in concrete casting formw
Quoin mold
Quoin molds