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Inventor

Ronald H. Johnson

Inventor
Barberton, OH, US

Overview

5→
Patents
1991–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

A47Cprimary
A47CChairs20%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing20%
H01JElectric discharge tubes or discharge lamps20%
H04BTransmission20%
H04WWireless communication networks20%
PatentTitleYear
11,127,557Ion source with single-slot tubular cathode202111,075,689Satellite data transmission clustering with dynamic clusters2021D0331270'Sit-up exercise support'1992D0325951'Trampoline exerciser'19925,033,742'Inflatable sit-up exercise device'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1992Patents assigned to CONSUMER DIRECT INC (3)· patent assignee history
1991–1992Based in Barberton, OH, US· patent location history
2021Patents assigned to APPLIED MATERIALS INC (1)· patent assignee history
2021Patents assigned to MICROSOFT TECHNOLOGY LICENSING LLC (1)· patent assignee history
2021Based in Gloucester, MA, US· patent location history
2021Based in Bellevue, WA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CONSUMER DIRECT INC31991–1992
APPLIED MATERIALS INC12021
MICROSOFT TECHNOLOGY LICENSING LLC12021
Locations
LocationPatentsSpan
Barberton, OH, US31991–1992
Gloucester, Massachusetts, US12021
Bellevue, Washington, US12021