Feb. 4: Corporate Council SKH: Difference between revisions
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[http://www.google.com/patents?id=0BZqAAAAEBAJ&printsec=abstract&zoom=4&source=gbs_overview_r&cad=0#v=onepage&q&f=false Graham '811] | [http://www.google.com/patents?id=0BZqAAAAEBAJ&printsec=abstract&zoom=4&source=gbs_overview_r&cad=0#v=onepage&q&f=false Graham '811] | ||
[http://www.google.com/patents?id=2MVtAAAAEBAJ&printsec=abstract&zoom=4&source=gbs_overview_r&cad=0#v=onepage&q&f=false Graham '798 | [http://www.google.com/patents?id=2MVtAAAAEBAJ&printsec=abstract&zoom=4&source=gbs_overview_r&cad=0#v=onepage&q&f=false Graham '798 "Clamp for vibrating Shank Plows"] | ||
[http://www.google.com/patents/about?id=rkVKAAAAEBAJ&dq=2014451 Pfeifer Patent] | [http://www.google.com/patents/about?id=rkVKAAAAEBAJ&dq=2014451 Pfeifer Patent] | ||
Revision as of 07:01, 4 February 2011
Relevant Patents
Glencoe/Rolf patent 2739518 (Issued in 1956, however, the device was marketed in May 1951, before Graham's '798 patent was filed)
