PATENT 22191 of 1988
The second patent from 1988 concerned a parking brake.
This design was not for braking a moving machine but holding the
machines on inclines when parked.

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patent_22191_88.pdf (1015.09 KB, 1 downloads)
PATENT 22191 of 1988 Greenfield Parking Brake

Portal Box 6

Entire Thread
Subject	Posted By	Posted
GREENFIELD - Theo Reinhold Patents 1980s	CyberJack	16/12/16 05:11 PM
Re: GREENFIELD - Theo Reinhold Patents 1980s	CyberJack	16/12/16 05:19 PM
Re: GREENFIELD - Theo Reinhold Patents 1980s	CyberJack	16/12/16 05:24 PM
Re: GREENFIELD - Theo Reinhold Patents 1980s	CyberJack	18/12/16 01:41 PM
Re: GREENFIELD - Theo Reinhold Patents 1980s	CyberJack	18/12/16 10:00 PM
Re: GREENFIELD - Theo Reinhold Patents 1980s	CyberJack	19/12/16 08:47 PM
Re: GREENFIELD - Theo Reinhold Patents 1980s	CyberJack	21/12/16 06:18 PM
Re: GREENFIELD - Theo Reinhold Patents 1980s	CyberJack	24/12/16 12:05 PM
Re: GREENFIELD - Theo Reinhold Patents 1980s	CyberJack	24/12/16 07:53 PM
Re: GREENFIELD - Theo Reinhold Patents 1980s	CyberJack	18/01/17 10:02 PM
Re: GREENFIELD - Theo Reinhold Patents 1980s	CyberJack	19/01/17 11:43 AM

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