Inventor

POWERS WILLIAM R

US6 patents

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

SPECIALTY COMPOSITES CORP

1 patent

US4253452AMar 3, 1981

Ear plug assembly

SPECIALTY COMPOSITES CORP131 citations88

SCHOB DAVE

1 patent

US9045883B2Jun 2, 2015

Snubber for shovel dipper

SCHOB DAVE8 citations75

JOY GLOBAL SURFACE MINING INC

1 patent

US10934682B2Mar 2, 2021

Straight taper dipper

JOY GLOBAL SURFACE MINING INC4 citations68

HARNISCHFEGER TECH INC

1 patent

US10519621B2Dec 31, 2019

Straight taper dipper

HARNISCHFEGER TECH INC3 citations68

ARGUS CORP

1 patent

US5119833AJun 9, 1992

Compressible foam earplug

ARGUS CORP14 citations67

STALKER GLENN H

1 patent

US9021725B2May 5, 2015

Boom sheave with tubular reinforcing members

STALKER GLENN H4 citations58