Inventor

Jack F. Butler

Inventor
Rancho Santa Fe, CA, US

Overview

14→
Patents
1976–2003
Patent span
Electricity
Primary field (CPC H)

Patents· 14 as inventor

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

H10Fprimary
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation27%
G01TMeasurement of nuclear or x-radiation24%
A61BDiagnosis16%
H04NPictorial communication, e.g. television16%
LOC085%
B29CShaping or joining of plastics3%
B29LIndexing scheme associated with subclass b29c, relating to particular articles3%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light3%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to GEN DYNAMICS CORP (1)· patent assignee history
1976–1980Based in Lexington, MA, US· patent location history
1980Patents assigned to LASER ANALYTICS INC (1)· patent assignee history
1997Patents assigned to DIGIRAD INC (1)· patent assignee history
1997–2003Based in Rancho Santa Fe, CA, US· patent location history
1998–2003Patents assigned to DIGIRAD CORP (8)· patent assignee history
2000–2001Based in La Jolla, CA, US· patent location history
2001–2003Patents assigned to ROBERTS GROUP HOLDINGS LLC (2)· patent assignee history
2001–2003Based in Carlsbad, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DIGIRAD CORP81998–2003
ROBERTS GROUP HOLDINGS LLC22001–2003
DIGIRAD INC11997
GEN DYNAMICS CORP11976
LASER ANALYTICS INC11980
Locations
LocationPatentsSpan
Rancho Santa Fe, California, US71997–2003
Carlsbad, California, US32001–2003
La Jolla, California, US22000–2001
Lexington, Massachusetts, US21976–1980