Datamp.org Patents https://www.datamp.org/ Recently added patents en-us CA Patent: 231,926 https://www.datamp.org/patents/displayPatent.php?id=85516&pn=231,926 Triple Jawed Wrench Attachment for Hammers Patentee: Ernest E. Cullen - New Baltimore MI Granted:1923-06-12
Assigned to George E. Vernier - Fair Haven MI

Canadian patent corresponding to U.S. patent 1,501,586 and British patent GB-198,943. Contemporary notices in trade journals may reflect a search for manufacture, or actual production.
This is one of 84,808 patents currently in the database at datamp.org

]]> US Patent: 726,035 https://www.datamp.org/patents/displayPatent.php?id=82067&pn=726,035 Truck Patentee: Robert L. Dorsey - Indianapolis IN Granted:1903-04-21
Manufactured by Tucker & Dorsey Mfg. Co. - Indianapolis IN
Assigned to Tucker & Dorsey Mfg. Co. - Indianapolis IN


This is one of 84,808 patents currently in the database at datamp.org

]]> US Patent: 715,338 https://www.datamp.org/patents/displayPatent.php?id=82789&pn=715,338 Rope-operating apparatus Patentees: Charles A. Baechtold - Brooklyn NY , Harry N. Covell - Brooklyn NY Granted:1902-12-09
Manufactured by Lidgerwood Mfg. Co. - New York NY
Assigned to Lidgerwood Mfg. Co. - New York NY

The derrick-engines in this invention have two drums, one for the hoisting-rope and the other for the boom-fall rope that raises and lowers the boom.
This is one of 84,808 patents currently in the database at datamp.org

]]> US Patent: 713,487 https://www.datamp.org/patents/displayPatent.php?id=82788&pn=713,487 Device for operating the dogs of hoisting-engines Patentee: Peter Olsen - New York NY Granted:1902-11-11
Manufactured by Lidgerwood Mfg. Co. - New York NY
Assigned to Lidgerwood Mfg. Co. - New York NY


This is one of 84,808 patents currently in the database at datamp.org

]]> US Patent: 712,725 https://www.datamp.org/patents/displayPatent.php?id=84432&pn=712,725 Knuckle-joint Patentee: Joseph H. Rusby - Nutley NJ Granted:1902-11-04

The specification does not give any hint as to the purpose of this knuckle joint. The inventor patented and manufactured hand drills of various types and it seems plausible that this joint would be used, in, say, an adjustable-angle drill.
This is one of 84,808 patents currently in the database at datamp.org

]]>