LandOfFree - US Patents - Listing for Work holders,Plural holders to hold workpieces relative to each other

Work holders – Plural holders to hold workpieces relative to each other – Workpieces parallel to each other

Panel clamp

Work holders – Plural holders to hold workpieces relative to each other – Fixed work-contacting portions for each holder

Parts retaining panel and method of mounting and securing parts

Work holders – Plural holders to hold workpieces relative to each other – Workpieces normal to each other

Perpendicular bar clamp

Work holders – Plural holders to hold workpieces relative to each other – Workpieces normal to each other

Picture frame clamp

Work holders – Plural holders to hold workpieces relative to each other – Workpieces normal to each other

Picture frame making tool

Work holders – Plural holders to hold workpieces relative to each other – Workpieces normal to each other

Picture frame vise

Work holders – Plural holders to hold workpieces relative to each other – Workpieces parallel to each other

Pipe aligning device

Work holders – Plural holders to hold workpieces relative to each other – Workpieces parallel to each other

Pipe alignment apparatus

Work holders – Plural holders to hold workpieces relative to each other – Workpieces parallel to each other

Pipe clamps

Work holders – Plural holders to hold workpieces relative to each other

Pipe fitting apparatus and method

Work holders – Plural holders to hold workpieces relative to each other – With means to relatively array or arrange holders

Pipe positioning, rotating and fitting apparatus for welding

Work holders – Plural holders to hold workpieces relative to each other – Workpieces parallel to each other

Pipe restraint system

Work holders – Plural holders to hold workpieces relative to each other

Pipefitter's jig

Work holders – Plural holders to hold workpieces relative to each other – Fixed work-contacting portions for each holder

Placement aid for making straw stars

Work holders – Plural holders to hold workpieces relative to each other – Workpieces parallel to each other

Plate stack clamping apparatus for storage battery manufacture

Work holders – Plural holders to hold workpieces relative to each other – Workpieces normal to each other

Plumb-align device

Work holders – Plural holders to hold workpieces relative to each other – Workpieces normal to each other

Poly-pipe fusion machine

Work holders – Plural holders to hold workpieces relative to each other – Workpieces parallel to each other

Portable adjustable chain type clamping device

Work holders – Plural holders to hold workpieces relative to each other – Workpieces normal to each other

Portable framing aid