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Patents for Herman W. Zimmerman
Patents 1 - 15 of 15
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,925,709Sep. 05, 1933H.W. ZimmermanCylinder grinding toolautomotive tools
1,957,485May 08, 1934H.W. ZimmermanCylinder grinding tool adjusting mechanismautomotive tools
1,959,891May 22, 1934H.W. ZimmermanBearing honeautomotive tools
1,987,457Jan. 08, 1935H.W. ZimmermanCylinder grinding toolautomotive tools
2,002,971May 28, 1935H.W. ZimmermanReamer sharpenerreamers
2,007,490Jul. 09, 1935H.W. ZimmermanRing filing structureautomotive tools
2,013,374Sep. 03, 1935H.W. ZimmermanConnecting rod alignment gaugeautomotive tools
2,047,607Jul. 14, 1936H.W. ZimmermanGauging Devicemeasurement gauges
D105,629Aug. 10, 1937H.W. ZimmermanDesign for a wrenchtorque wrenches
2,129,485Sep. 06, 1938H.W. ZimmermanBoring machineboring and turning machines
2,155,072Apr. 18, 1939H.W. ZimmermanMachine for sizing and finishing boresboring and turning machines
2,190,967Feb. 20, 1940H.W. ZimmermanTorque measuring wrenchtorque wrenches
2,211,401Aug. 13, 1940H.W. ZimmermanTorque measuring wrenchtorque wrenches
2,269,503Jan. 13, 1942H.W. ZimmermanTorque measuring wrenchtorque wrenches
2,320,023May 25, 1943H.W. ZimmermanTorque measuring wrenchtorque wrenches
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