P

Inventor

STREATFIELD ROY

GB4 patents
⚠️ This page may combine multiple inventors who share the name “STREATFIELD ROY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BRITISH GAS CORP

3 patents
US4738565AApr 19, 1988

Method of replacing mains

BRITISH GAS CORP107 citations93
US4720211AJan 19, 1988

Apparatus for replacing mains

BRITISH GAS CORP79 citations92
US4505302AMar 19, 1985

Replacement of mains

BRITISH GAS CORP77 citations92

STREATFIELD ROY

1 patent
US8684628B2Apr 1, 2014

Winding apparatus

STREATFIELD ROY0 citations27