Fred W. Sauer

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic cylinder control
- Patent number 8,800,208
- Issue date Aug 12, 2014
- Hi-Fold Door Corporation
- Richard D. Keller
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Hydraulic cylinder control
- Patent number 8,327,586
- Issue date Dec 11, 2012
- Hi-Fold Door Corporation
- Richard D Keller
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
HYDRAULIC CYLINDER CONTROL
- Publication number 20130097931
- Publication date Apr 25, 2013
- HI-FOLD DOOR CORPORATION
- Richard D. Keller
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
HYDRAULIC CYLINDER CONTROL
- Publication number 20110185635
- Publication date Aug 4, 2011
- Richard D. Keller
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES