Wayne E. Gruben

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Dubuque, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Curtain guiding assembly for a soft edge door with a selectively te...
- Patent number 6,089,305
- Issue date Jul 18, 2000
- Rite-Hite Holding Corporation
- Wayne E. Gruben
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Releaseable assembly for a door
- Patent number 5,957,187
- Issue date Sep 28, 1999
- Rite-Hite Holding Corporation
- Wayne E. Gruben
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Curtain bottom tensioning assembly
- Patent number 5,944,086
- Issue date Aug 31, 1999
- Rite-Hite Holding Corporation
- Wayne E. Gruben
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS