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Bradley Johanson Phones & Addresses

  • Saint Paul, MN
  • 404 5Th St N, Hudson, WI 54016
  • Minneapolis, MN
  • Fort Huachuca, AZ

Publications

Us Patents

Cassette Screw Bosses Having Ribbed Surfaces

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US Patent:
54404398, Aug 8, 1995
Filed:
Feb 24, 1994
Appl. No.:
8/201073
Inventors:
G. Phillip Rambosek - Shafer MN
Bradley J. Johanson - Hutchinson MN
Assignee:
Minnesota Mining and Manufacturing Company - St. Paul MN
International Classification:
G11B 2302
US Classification:
360132
Abstract:
A videocassette housing includes a base connected to a cover. Cover bosses are received within respective base bosses, and the cover is connected to the base by fasteners passing through the base bosses and cover bosses. The cover bosses extend only slightly beyond the centerline of the cassette and seat at the bottom of the base bosses. There is very little clearance between the bosses and the base boss has an inner surface defined by a plurality of ribs axially and equiangularly located along a circle.

Light Guides

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US Patent:
20180329128, Nov 15, 2018
Filed:
Dec 6, 2016
Appl. No.:
15/774705
Inventors:
- St. Paul MN, US
Brian W. Ostlie - Hudson WI, US
Brent A. Hedding - Hudson WI, US
David C. Mercord - Prescott WI, US
Bradley J. Johanson - Chisago City MN, US
Assignee:
3M INNOVATIVE PROPERTIES COMPANY - St. Paul MN
International Classification:
F21V 8/00
Abstract:
Light guide assemblies including first, second and third light guides, a first optical coupling component disposed between and attached to the first and second light guides, and a second optical coupling component disposed between and attached to the second and third light guides are described. The first optical coupling component is adapted to couple light between the first and second light guides, and the second optical coupling component is adapted to couple light the between second and third light guides. The first light guide, the second light guide and the first optical coupling component are coextensive over a first region of the assembly, and the second light guide, the third light guide and the second optical coupling component are coextensive over a different second region of the assembly.
Bradley S Johanson from Saint Paul, MN, age ~35 Get Report