[rollei_list] Re: : Stillson Wrenches
----- Original Message ----- From: "Jerry Laderberg" <jerry@xxxxxxxxxxx> 
To: <rollei_list@xxxxxxxxxxxxx>
Sent: Tuesday, July 22, 2008 12:30 PM
Subject: [rollei_list] : Stillson Wrenches



" Monkey wrench"?
I little searching with Google Patents finds USP 184,993 dated 1876, issued to Daniel C. Stillson, of Sommerville Mass for "an improvement in wrenches". This is the familar "monkey wrench". Stillson's idea was to articulate the movable jaw so that it would grip various shapes equally well. The jaw is spring loaded. Stillson may very well have started a company but there is no indication of that and I did not do any historical research. Stillson appears to have held other patents but I did not research them. The earliest patent on what most of us would call a pipe wrench appears to be USP 765,912 dated 1904, issued to Harry L. Bordwell of Chicago. 

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Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx


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