Inventor

CAMPBELL RICHARD A

US24 patents

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

CAMPBELL RICHARD A

XEROX CORP

Modular multi-station three-dimensional object printing systems

System and method for pivoting a printhead in a direct-to-object printer during printing of an object

Module for a three-dimensional (3D) object printer to prepare 3D objects for surface printing

Parallel edge guides for sheet offset

Cap and application devices stabilizing ink in nozzles of inkjet printheads

System and method for preparing three-dimensional (3D) objects for surface printing

System and method for attenuating oxygen inhibition of ultraviolet ink curing on an image on a three-dimensional (3D) object during printing of the object

Modular radial impeller drum for printing devices

Modular radial impeller drum with variable blade segments for printing devices

System and method for printing on three-dimensional objects with ultraviolet curable inks in a direct-to-object printer

Inkjet reusable jetting sheet with cleaning station

CAMPBELL RICHARD A

Suture instrument and method

Fishing rod jigging apparatus

Radiation shadow indicator

Automatic inflation device having a moisture activated trigger and release system with reduced force applied to the degradable element

RAYTHEON CO

Multifrequency microwave source

Radar transmitter

Control circuit for low noise frequency agile oscillator

NASA

Contour measurement system

Coal-shale interface detection system

(unassigned)

Pressure actuated triggering system

MADINA LLC

Air-conditioning register assembly and method

US ARMY

Apparatus for detecting a stable microwave discrete frequency

BRASKEM AMERICA INC

Extensible spunbonded non-woven fabrics