Johann Anthony Toikka

US Patent:

D521846, May 30, 2006

Filed:

Feb 17, 2005

Appl. No.:

29/223723

Inventors:

Johann Anthony Toikka - Andover MN, US
Mohamoud Abdi Jama - Minneapolis MN, US
Shawn John Kipka - St. Francis MN, US

Assignee:

Hoffman Enclosures, Inc. - Anoka MN

International Classification:

0806

US Classification:

D 8308

US Patent:

D539228, Mar 27, 2007

Filed:

Jan 24, 2005

Appl. No.:

29/221966

Inventors:

Johann Anthony Toikka - Andover MN, US
Trent T. Jones - Anoka MN, US

Assignee:

Hoffman Enclosures, Inc. - Anoka MN

International Classification:

1303

US Classification:

D13155

US Patent:

7726750, Jun 1, 2010

Filed:

Jun 30, 2006

Appl. No.:

11/480331

Inventors:

Steven J. Johnson - Mahtomedi MN, US
Johann Anthony Toikka - Andover MN, US
Trent T. Jones - White Bear Lake MN, US

Assignee:

Hoffman Enclosures, Inc. - Anoka MN

International Classification:

E05C 7/06

US Classification:

312217, 312324, 312287

Abstract:

An enclosure includes a back enclosure unit, a front enclosure unit hinged to the back enclosure unit, a rod coupled to the front enclosure unit, and a spring latch coupled to the back enclosure unit, wherein the rod engages the spring latch when the front enclosure unit is closed upon the back enclosure unit.

US Patent:

20100259141, Oct 14, 2010

Filed:

Apr 27, 2010

Appl. No.:

12/768601

Inventors:

Steven J. Johnson - Mahtomedi MN, US
Johann Anthony Toikka - Andover MN, US
Trent T. Jones - White Bear Lake MN, US

International Classification:

E05C 7/00

US Classification:

312217

Abstract:

An enclosure includes a back enclosure unit, a front enclosure unit hinged to the back enclosure unit, a rod coupled to the front enclosure unit, and a spring latch coupled to the back enclosure unit, wherein the rod engages the spring latch when the front enclosure unit is closed upon the back enclosure unit.

US Patent:

61682918, Jan 2, 2001

Filed:

Sep 14, 1998

Appl. No.:

9/152923

Inventors:

Noah N. Rockey - Minnetonka MN
Jim J. Frensko - Waconia MN
Johann A. Toikka - Minnetonka MN

Assignee:

Sterner Lighting Systems Incorporated - Eden Prairie MN

International Classification:

F21V 108

US Classification:

362278

Abstract:

A luminaire motorized shade or douser mechanism includes a lamp mounted within a reflector and a motorized shade unit that opens and closes in front of the lens of the reflector. The shade unit includes a motor, two rollers, two guide cables, a sheet of opaque flexible material or fabric, and an aluminum frame. The motor drives the roller to run the shade in front of the lens to cover it and also to uncover. The motorized shade or douser mechanism is used to effectively block the light emitting from the lamp and create a condition whereas no light leaves the lens of the luminaire.