PATENT 35974 of 1968
Manually Propelled Vehicle

I conclude this topic with a patent from 1968. It clearly demonstrates Theo�s
diverse ideas and his business acumen. I note that Greenfield Products, today,
also markets other products�

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Attachments
patent_35974_68.pdf (185.17 KB, 3 downloads)
PATENT 35974 of 1968 Manually Propelled Vehicle.