Inventor

JOHNSON DOUGLAS A

US28 patents

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

JOHNSON DOUGLAS A

JOHNSON DOUGLAS A

Versatile tandem belt

Apparatus for inverting DC voltage to AC voltage

Simple network database protocol

Targeted satellite radio advertising using mobile network determined location

WILMINGTON RES AND DEV CORP

Open loop control with velocity threshold for pneumatic hoist

Adaptive cooling method for computer rack enclosure

Induction driven power supply for circuits accompanying portable heated items

Backup power supply charged by induction driven power supply for circuits accompanying portable heated container

KAPS ALL PACKAGING SYSTEMS INC

Induction foil cap sealer

Induction foil cap sealer

Induction foil cap sealer employing litz wire coil

Slotted induction heater

TEXAS INSTRUMENTS INC

Method and apparatus for routing packets in a multinode computer interconnect network

User controlled trap handler

Method and system for returning emulated results from a trap handler

BLACK TANK LLC

Lighting control system and method

System and method for data conversion

Lighting system and method for PWM adjustable current control

MINNESOTA MINING & MFG

Water displacement composition and a method of use

Water displacement composition

SPRINT COMMUNICATIONS CO

Traffic and capacity modeling process

Targeted satellite radio advertising using mobile network determined location

TWIST INITIATIVE LLC

Vehicle rooftop

JOHNSON SABATES & JOHNSON LLC

Hand-held personal defense apparatus

(unassigned)

Water rehabilitation device

JOHNSON DOUGLAS

Disposable paint strainer

MANUFACTURERS IND GROUP L L C

Rod holder

JOSEPH ROY

Method and system of targeted alert distribution