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William R. Bourne Jr.
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Anaheim, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Pressure responsive blowout latch
Patent number
7,578,475
Issue date
Aug 25, 2009
Hartwell Corporation
John D. Pratt
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Pressure responsive blowout latch
Patent number
6,866,226
Issue date
Mar 15, 2005
Hartwell Corporation
John D. Pratt
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Extended reach latch
Patent number
5,984,382
Issue date
Nov 16, 1999
Hartwell Corporation
William R. Bourne
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Quick release latch for a bus seat or the like
Patent number
D395388
Issue date
Jun 23, 1998
Hartwell Corporation
William R. Bourne
D08 - Tools and hardware
Information
Patent Grant
Low profile hook latch assembly
Patent number
5,620,212
Issue date
Apr 15, 1997
Hartwell Corporation
William R. Bourne
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Hold down device with extended capture pawl mechanism
Patent number
5,002,418
Issue date
Mar 26, 1991
VSI Corporation
William R. E. McCown
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Toggle latch with automatic safety catch
Patent number
4,925,221
Issue date
May 15, 1990
V.S.I. Corp.
Timothy A. Carmody
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Externally accessible, clutching adjustable keeper mechanism
Patent number
4,906,037
Issue date
Mar 6, 1990
V.S.I. Corp.
John C. Stammreich
G05 - CONTROLLING REGULATING
Information
Patent Grant
Tension latch assembly
Patent number
4,743,052
Issue date
May 10, 1988
Rexnord Inc.
John C. Stammreich
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Adjustable double hook latch
Patent number
4,602,812
Issue date
Jul 29, 1986
Hartwell Corporation
William R. Bourne
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Latch assembly channel
Patent number
4,548,435
Issue date
Oct 22, 1985
Hartwell Corporation
William R. Bourne
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Channel latch
Patent number
4,365,831
Issue date
Dec 28, 1982
Hartwell Corporation
William R. Bourne
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Latching mechanism
Patent number
4,318,557
Issue date
Mar 9, 1982
Hartwell Corporation
William R. Bourne
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Toggle latch assembly
Patent number
4,307,905
Issue date
Dec 29, 1981
Hartwell Corporation
L. Richard Poe
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Signalling means for rotary latches
Patent number
4,264,092
Issue date
Apr 28, 1981
The Hartwell Corporation
William R. Bourne
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Rotary latch and method of operation
Patent number
4,213,642
Issue date
Jul 22, 1980
Hartwell Corporation
L. Richard Poe
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Readily mounted separable fastener
Patent number
3,988,808
Issue date
Nov 2, 1976
Hartwell Corporation
L. Richard Poe
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
Pressure responsive blowout latch
Publication number
20050116100
Publication date
Jun 2, 2005
John D. Pratt
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
Pressure responsive blowout latch
Publication number
20030066930
Publication date
Apr 10, 2003
John D. Pratt
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES