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Inventor

Randolph E. Maxwell

Inventor
El Paso, TX, US

Overview

5→
Patents
1995–2008
Patent span
Human necessities
Primary field (CPC A)

Patents· 5 as inventor

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

C30Bprimary
C30BSingle-crystal growth29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests29%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body14%
A61MDevices for introducing media into, or onto, the body14%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines14%
PatentTitleYear
7,423,215'Expandable structured wiring box'20086,309,366'Foot therapy device'20015,553,607'Portable steam inhalator'19965,451,553'Solid state thermal conversion of polycrystalline alumina to sapphire'19955,427,051'Solid state formation of sapphire using a localized energy source'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995Patents assigned to GEN ELECTRIC (2)· patent assignee history
1995Based in Chesterland, OH, US· patent location history
1996Patents assigned to DURACRAFT CORP (1)· patent assignee history
1996Based in Upton, MA, US· patent location history
2001Patents assigned to HELEN OF TROY (1)· patent assignee history
2001–2008Based in El Paso, TX, US· patent location history
2008Patents assigned to GE SECURITY INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN ELECTRIC21995
DURACRAFT CORP11996
GE SECURITY INC12008
HELEN OF TROY12001
Locations
LocationPatentsSpan
El Paso, Texas, US22001–2008
Chesterland, OH, US21995
Upton, Massachusetts, US11996