Inventor

HARTWELL PETER G

US23 patents

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

HARTWELL PETER G

HEWLETT PACKARD DEVELOPMENT CO

Electronic writing systems and methods

Smart helmet

Systems with high density packing of micromachines

Method for dicing wafer stacks to provide access to interior structures

MEMS having a three-wafer structure

Use of standoffs to protect atomic resolution storage mover for out-of-plan motion

Methods for dicing wafer stacks to provide access to interior structures

Use of standoffs to protect atomic resolution storage mover for out-of-plane motion

Use of standoffs to protect atomic resolution storage mover for out-of-plane motion

Chip cooling channels formed in wafer bonding gap

Deformation-based contact lithography systems, apparatus and methods

Systems with high density packing of micromachines

Method of fabricating a sharp protrusion

APPLE INC

Method of lower profile MEMS package with stress isolations

Method of lower profile MEMS package with stress isolations

Electronic device having electronic compass with demagnetizing coil and annular flux concentrating yokes

INVENSENSE INC

Acoustically configurable microphone

Substance sensing with tracers

HEWLETT PACKARD CO

Flexure coupling block for motion sensor

HEWLETT PAKCARD COMPANY

Three-axis motion sensor

HARTWELL PETER G

Heads down intelligent display and processing

MILLIGAN DONALD J

Out-of plane travel restriction structures

LI ZHIYONG

Sensor-location system for locating a sensor in a tract covered by an earth-based sensor network