LexDanaLexDanabeta
Inventor

Ronald Foxcroft

Inventor
Burlington, CA

Overview

3→
Patents
1989–2012
Patent span
LOC
Primary field

Patents· 3 as inventor

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

LOC10primary
LOC1067%
G10KSound-producing devices33%
PatentTitleYear
D0661215'Three port whistle'2012D0462917'Whistle mouthpiece'20024,821,670'Whistle'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to FORTRON INC (1)· patent assignee history
1989–2012Based in Burlington, CA· patent location history
2002Patents assigned to FOX 40 INTERNAT INC (1)· patent assignee history
2002Based in Ontario, CA· patent location history
2012Patents assigned to FOXCROFT DAVID (1)· patent assignee history
2012Patents assigned to FOXCROFT RONALD (1)· patent assignee history
2012Patents assigned to HILLS GRAHAM (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FORTRON INC11989
FOX 40 INTERNAT INC12002
FOXCROFT DAVID12012
FOXCROFT RONALDself12012
HILLS GRAHAM12012
Locations
LocationPatentsSpan
Burlington, CA21989–2012
Ontario, CA12002