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Inventor

Peter W. Graves

Inventor
Palos Park, IL, US

Overview

5→
Patents
1989–2009
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.

H01Jprimary
H01JElectric discharge tubes or discharge lamps20%
A47BTables10%
A47GHousehold or table equipment10%
A61LMethods or apparatus for sterilising materials or objects in general10%
E05BLocks10%
E05CBolts or fastening devices for wings, specially for doors or windows10%
G01DMeasuring not specially adapted for a specific variable10%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
7,475,507'Scented picture frame'20096,764,148'Drawer latch mechanism'20045,374,864'Electron multiplier with increased-area channel'19945,030,878'Electron multiplier with replaceable rear section'19914,884,450'Sensor device'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to STC PLC (1)· patent assignee history
1989Based in Great Dunmow, GB· patent location history
1991–1994Patents assigned to DETECTOR TECHNOLOGY INC (2)· patent assignee history
1991–1994Based in Brookfield, MA, US· patent location history
2004Patents assigned to HOME PRODUCTS INTERNATIONAL IN (1)· patent assignee history
2004–2009Based in Palos Park, IL, US· patent location history
2009Patents assigned to POTOMAC CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DETECTOR TECHNOLOGY INC21991–1994
HOME PRODUCTS INTERNATIONAL IN12004
POTOMAC CORP12009
STC PLC11989
Locations
LocationPatentsSpan
Palos Park, Illinois, US22004–2009
Brookfield, Massachusetts, US21991–1994
Great Dunmow, GB11989