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Bob Dobson · 28-05-2012, 10:04

I agree - Dowry. There is/was a firm called Dowty who made metal pit-props. Accrington library may have the patent. I have given them some over the years.There are no Dowtys in the 1951 directory in Accrington or Clayton. It should be possible to trace the patent if you can provide a name of whoever took it out in the first place.There are several patent libraries and perhaps an on-line search facility.

28-05-2012, 10:04	#8
Bob Dobson Senior Member+ Join Date: Nov 2007 Location: Staining, Blackpool Posts: 3,096 Liked: 407 times Rep Power: 158676	Re: Dowty's I agree - Dowry. There is/was a firm called Dowty who made metal pit-props. Accrington library may have the patent. I have given them some over the years.There are no Dowtys in the 1951 directory in Accrington or Clayton. It should be possible to trace the patent if you can provide a name of whoever took it out in the first place.There are several patent libraries and perhaps an on-line search facility.