P

Inventor

DUWELL MICHAEL J

US10 patents
⚠️ This page may combine multiple inventors who share the name “DUWELL MICHAEL J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHOPSMITH INC

4 patents
USD278790SMay 14, 1985

Push block for use in guiding work pieces during cutting operations

SHOPSMITH INC36 citations92
USD276616SDec 4, 1984

Planer

SHOPSMITH INC8 citations73
USD286538SNov 4, 1986

Support frame for a power tool

SHOPSMITH INC2 citations60
USD281431SNov 19, 1985

Headstock for a multipurpose woodworking tool

SHOPSMITH INC1 citations50

HILL ROM CO INC

2 patents
US4751754AJun 21, 1988

Dual hydraulic hospital bed with emergency bypass circuit

HILL ROM CO INC272 citations98
US4926457AMay 15, 1990

Radiolucent hospital bed surface

HILL ROM CO INC113 citations95

DREAMWELL LTD

2 patents
US10182662B2Jan 22, 2019

Adjustable comfort mattress system and processes

DREAMWELL LTD5 citations72
US10517407B2Dec 31, 2019

Adjustable comfort mattress system and processes

DREAMWELL LTD0 citations51

HEARTLAND CHEMICALS

1 patent
US4265584AMay 5, 1981

System for opening and emptying containers

HEARTLAND CHEMICALS19 citations78

ARCAIR CO

1 patent
USD282816SMar 4, 1986

Air carbon-arc cutting and gouging torch

ARCAIR CO8 citations73