P

Inventor

TRAIL MELVIN P

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

BECKWORTH DAVIS INTERNATIONAL

3 patents
US5149940ASep 22, 1992

Method for controlling and synchronizing a welding power supply

BECKWORTH DAVIS INTERNATIONAL55 citations94
US4561059ADec 24, 1985

Microprocessor controlled welding apparatus

BECKWORTH DAVIS INTERNATIONAL74 citations94
US4821202AApr 11, 1989

Apparatus microprocessor controlled welding

BECKWORTH DAVIS INTERNATIONAL20 citations80

TEXAS IND GAS

1 patent
US5343016AAug 30, 1994

Microprocessor controlled welding apparatus

TEXAS IND GAS66 citations92

CHROMALLOY AMERICAN CORP

1 patent
US4133470AJan 9, 1979

Method and apparatus for fabricating pipe centralizer or the like

CHROMALLOY AMERICAN CORP26 citations79