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Inventor

Walter Petersen

Inventor
Seattle, WA, US

Overview

3→
Patents
1985–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A62Cprimary
A62CFire-fighting20%
A63FCard, board, or roulette games20%
B05BSpraying apparatus20%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general20%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers20%
PatentTitleYear
10,898,797Electronic controller with finger sensing and an adjustable hand retainer202110,137,477Modular assembly for multidimensional transducer arrays20184,509,664'Portable sprayer with safety cover'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to HUDSON MFG CO H D (1)· patent assignee history
1985Based in Hastings, MN, US· patent location history
2018Patents assigned to SIEMENS MEDICAL SOLUTIONS USA INC (1)· patent assignee history
2018–2021Based in Seattle, WA, US· patent location history
2021Patents assigned to VALVE CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUDSON MFG CO H D11985
SIEMENS MEDICAL SOLUTIONS USA INC12018
VALVE CORP12021
Locations
LocationPatentsSpan
Seattle, Washington, US22018–2021
Hastings, Minnesota, US11985