P

Inventor

SIMMONS JOHN H

US5 patents
⚠️ This page may combine multiple inventors who share the name “SIMMONS JOHN H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PRECISION METALSMITHS INC

4 patents
US4220190ASep 2, 1980

Method of making tooling

PRECISION METALSMITHS INC6 citations60
US4123876ANov 7, 1978

Casting cut-off machine

PRECISION METALSMITHS INC4 citations56
US4016922AApr 12, 1977

Method and apparatus for feeding granulated material

PRECISION METALSMITHS INC5 citations56
US4727929AMar 1, 1988

Investment shell molding apparatus and method

PRECISION METALSMITHS INC4 citations52

SMITH INTERNATIONAL

1 patent
US6308790B1Oct 30, 2001

Drag bits with predictable inclination tendencies and behavior

SMITH INTERNATIONAL81 citations94