Inventor

Robert J. Krafcik

Inventor

Phoenix, AZ, US

Overview

7→

Patents

1996–2002

Patent span

Electricity

Primary field (CPC H)

Patents· 7 as inventor

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

G09Fprimary

G09FDisplaying14%

H05BElectric heating14%

B29CShaping or joining of plastics11%

H01HElectric switches11%

H04MTelephonic communication11%

H05KPrinted circuits11%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts8%

B29LIndexing scheme associated with subclass b29c, relating to particular articles8%

H01JElectric discharge tubes or discharge lamps5%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles3%

PatentTitleYear

6,465,951'Electroluminescent lamp devices and their manufacture'2002 6,069,444'Electroluminescent lamp devices and their manufacture'2000 5,811,930'Electroluminescent lamp devices and their manufacture'1998 5,806,954'Moving pointer with edgewise EL lamp'1998 5,780,975'Low cost inverter with both discrete and integrated power switches'1998 5,780,965'Three dimensional electroluminescent display'1998 5,565,733'Electroluminescent modular lamp unit'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2002Patents assigned to DUREL CORP (5)· patent assignee history

1996–2002Based in Phoenix, AZ, US· patent location history

1998Patents assigned to DUIEL CORP (1)· patent assignee history

1998Patents assigned to KEY PLASTICS INC (1)· patent assignee history

1998Based in Phoeniz, AZ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DUREL CORP	5	1996–2002
DUIEL CORP	1	1998
KEY PLASTICS INC	1	1998

Locations

Location	Patents	Span
Phoenix, AZ, US	6	1996–2002
Phoeniz, AZ, US	1	1998