Ronald F. Otto

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West Branch, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Composite non-handed door jamb construction
- Patent number 4,631,866
- Issue date Dec 30, 1986
- Garland Manufacturing Co.
- Ronald F. Otto
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Energy efficient garage door construction and the like
- Patent number 4,518,026
- Issue date May 21, 1985
- Garland Manufacturing Co.
- Ronald F. Otto
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Energy efficient garage door construction and the like
- Patent number 4,379,480
- Issue date Apr 12, 1983
- Garland Manufacturing Company
- John J. Kempel
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS