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Patents Granted on 1972-03-__
Patents 1 - 11 of 11
First set of recordsLast set of records
NumberDatePatenteeTitleType
D223,081Mar. 07, 1972A.A. FreedmanBattery Carrier
3,647,227Mar. 07, 1972G.H. Schultz, D.J. Warner, B.V. LojkutzTwin Take-Apart High-Temperature Shaft Sealshaft seals
3,648,244Mar. 07, 1972J.K. McGeeReadout System for Selective Display of Digital Data on Time Shared Conductorscomputer apparatus and systems
3,648,377Mar. 14, 1972F.W. WitzkeSling Roundness Gagespecial purpose gauges
3,649,051Mar. 14, 1972S.E. Klabunde, G.H. JonesCollector Ring Arrangementmetalworking machine mechanisms
CA-895,668Mar. 21, 1972F.E. AllenBandmill arbor tilting mechanismband sawmills
3,650,336Mar. 21, 1972H.P. KoehlerPower driven deviceimpact chisels and drills
CA-896,319Mar. 28, 1972C.E. KirkRadial saw turntableradial arm saws
3,651,724Mar. 28, 1972H.W. HuffmanMethod and apparatus for producing card sets
3,652,879Mar. 28, 1972S.C. Rees, L.E. PlunkettElectric power toolhandheld power drills
FR-2,102,033Mar. 31, 1972H.E. CrozierMailbox with indicator
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