Inventor

R. Charles Ray

Inventor
Tacoma, WA, US

Overview

19→
Patents
1982–2018
Patent span
Human necessities
Primary field (CPC A)

Patents· 19 as inventor

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

A61Bprimary
A61BDiagnosis46%
H02JElectric power networks8%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems8%
B24CAbrasive or related blasting with particulate material4%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors4%
F16CShafts4%
G05FSystems for regulating electric or magnetic variables4%
G06FElectric digital data processing4%
H01RElectrically-conductive connections4%
LOC154%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1985Based in Randolph, NJ, US· patent location history
1985Patents assigned to AT & T BELL LAB (2)· patent assignee history
1992–1994Patents assigned to RAY R CHARLES (3)· patent assignee history
1992–2003Based in Tacoma, WA, US· patent location history
1994–2002Patents assigned to SALUT LTD (3)· patent assignee history
1995–1996Patents assigned to DANEK MEDICAL INC (4)· patent assignee history
2001–2003Patents assigned to SDGI HOLDINGS INC (2)· patent assignee history
2002Based in University Place, WA, US· patent location history
2004–2018Based in Midlothian, TX, US· patent location history
2005Based in Orem, UT, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DANEK MEDICAL INC41995–1996
RAY R CHARLESself31992–1994
SALUT LTD31994–2002
AT & T BELL LAB21985
SDGI HOLDINGS INC22001–2003
Locations
LocationPatentsSpan
Tacoma, Washington, US111992–2003
Randolph, New Jersey, US31982–1985
Midlothian, Texas, US22004–2018
Orem, UT, US12005
University Place, Washington, US12002