Datamp.org Patents http://www.datamp.org/ Recently added patents en-us US Patent: 1,740,074 http://www.datamp.org/patents/displayPatent.php?id=64984&pn=1,740,074 Portable power handsaw Patentee: John M. Crowe - Covington KY Granted:1929-12-17
Manufactured by Crowe Manufacturing Corp. - Cincinnati OH
Assigned to Crowe Manufacturing Corp. - Cincinnati OH

Improvements to the inventor's patent 1,644,326 to provide an improved handle that also supports the fixed blade guard, plus other improvements to the guard.
This is one of 64,326 patents currently in the database at datamp.org

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US Patent: 1,701,948 http://www.datamp.org/patents/displayPatent.php?id=64977&pn=1,701,948 Portable saw Patentee: John M. Crowe - Covington KY Granted:1929-02-12
Manufactured by Crowe Manufacturing Corp. - Covington KY
Assigned to Crowe Manufacturing Co. - Covington KY


This is one of 64,326 patents currently in the database at datamp.org

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US Patent: 1,540,388 http://www.datamp.org/patents/displayPatent.php?id=64976&pn=1,540,388 Portable saw Patentee: John M. Crowe - Covington KY Granted:1925-06-02
Manufactured by Skilsaw, Inc. - Chicago IL
Assigned to Crowe Manufacturing Co. - Covington KY

This patent date was seen on a circular saw from Skilsaw, Inc.; the other patent dates on the saw spanned 1914 to 1925, "other patents pending".
This is one of 64,326 patents currently in the database at datamp.org

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US Patent: 486,858 http://www.datamp.org/patents/displayPatent.php?id=64874&pn=486,858 Perforating-stamp Patentee: Benjamin F. Cummins - Chicago IL Granted:1892-11-29
Manufactured by B. F. Cummins Co. - Chicago IL
Assigned to B. F. Cummins Co. - Chicago IL

This patent number was seen on a "No. 2 Perforator" from B. F. Cummins Co., and provides improvements to Christian Hill's perforator patents, 409,324 and 433,033. The improvements are to simplify construction and reduce manufacturing cost.
This is one of 64,326 patents currently in the database at datamp.org

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US Patent: 475,440 http://www.datamp.org/patents/displayPatent.php?id=64873&pn=475,440 Perforating, dating, and receipting stamp Patentees: Benjamin F. Cummins - Chicago IL , John Stenwall Jr. - Chicago IL Granted:1892-05-24
Manufactured by B. F. Cummins Co. - Chicago IL
Assigned to B. F. Cummins Co. - Chicago IL

This patent number was seen on a "No. 2 Perforator" from B. F. Cummins Co. This patent provides improvements to Christian Hill's perforator patents, 409,324 and 433,003. The primary improvement is to allow multiple characters to be punched at once.
This is one of 64,326 patents currently in the database at datamp.org

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