Inventor

MILDREN DAVID

US4 patents

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

SANDVIK ROCK TOOLS AB

2 patents

US5060740AOct 29, 1991

Screw thread coupling

SANDVIK ROCK TOOLS AB77 citations93

US5163523ANov 17, 1992

Screw thread structure for percussion drill driver sub and case

SANDVIK ROCK TOOLS AB45 citations90

GALLOWAY TRUST

1 patent

US5056611AOct 15, 1991

Screw thread structure

GALLOWAY TRUST26 citations89

MILDREN DAVID

1 patent

US8720606B2May 13, 2014

Locking mechanism for a ground drill

MILDREN DAVID1 citations34