Michael A Hyska, Age 62480 Parham Rd, Bronson, MI 49028

Michael Hyska Phones & Addresses

480 Parham Rd, Bronson, MI 49028 (517) 369-7165

Manistique, MI

Coldwater, MI

Orland, IN


Position: Professional/Technical


Degree: High school graduate or higher

Mentions for Michael A Hyska

Publications & IP owners

Us Patents

Anti-Intrusion Device For Portal Closure

US Patent:
2002009, Jul 18, 2002
Jan 18, 2001
Appl. No.:
James Gerchow - Sturgis MI, US
Michael Hyska - Bronson MI, US
William Schlabach - Bronson MI, US
International Classification:
US Classification:
292/339000, 292/338000
An anti-intrusion apparatus for a portal closure comprises first and second leg units having hingedly joined inner end portions and outer end portions respectively engagable with a closed movable closure at a portal and with fixed portal-adjacent structure. The apparatus folds for storage and has an unfolded use position in which the leg units are unfolded through an arc exceeding 180 to an over-center position. The first and second leg units are hinged at a knee unit wherein detent structure between the knee unit and at least one of the leg units defines a resiliently fixed relative position of the leg units. The first and second leg units are pivotally joined at the knee unit which in turn carries an alarm unit.

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