Jon D. Riley

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Vallejo, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Collapsible safety attachment for ladder
- Patent number 4,860,855
- Issue date Aug 29, 1989
- Jon D. Riley
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Safety attachment for ladder
- Patent number 4,770,272
- Issue date Sep 13, 1988
- Jon D. Riley
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS