Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Apparatus for forming a pour hole and main sprue in an investment mold for lost wax casting

Apparatus for forming a pour hole and main sprue in an investment mold for lost wax casting

US Patent 6467530 · Granted Oct 22, 2002

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Stopper clip2011
Apparatus for forming a pour hole and main sprue in an investment mold for lost 2002
Apparatus for melting and pouring metal and metal alloys1997
Drill fixture useful for drilling holes in bead like objects1990
Reciprocatory machine tool1989
Hydraulic jewelry press1988