Patents for Francis H. Richards |
Patents 46 -
60
of 83
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Number | Date | Patentee | Title | Type |
452,053 | May 12, 1891 | F.H. Richards | Multiple drilling-machine | multiple spindle drill presses |
452,880 | May 26, 1891 | J.A. Traut | Method of making suspender buckles | |
460,692 | Oct. 06, 1891 | F.H. Richards | Drilling-machine | drill presses |
D21,400 | Mar. 15, 1892 | J.A. Traut | Design for a clasp | |
470,777 | Mar. 15, 1892 | C.E. Billings | Multiblade Screwdriver | screwdriver mechanisms |
471,259 | Mar. 22, 1892 | J.A. Traut | Suspender buckle case | |
D21,517 | May 03, 1892 | J.A. Traut | Buckle | |
478,772 | Jul. 12, 1892 | J.A. Traut | Trousers Guard | |
480,963 | Aug. 16, 1892 | F.H. Richards | Turret Mechanism for Lathes | metal lathe accessories and attachments |
480,964 | Aug. 16, 1892 | F.H. Richards | Turret Mechanism | metal lathe accessories and attachments |
482,212 | Sep. 06, 1892 | W.W. Tucker | Grinding Fixture | grinding fixtures |
484,673 | Oct. 18, 1892 | F.H. Richards | Clock Lathe | watchmakers lathes |
487,775 | Dec. 13, 1892 | F.H. Richards | Duplex feed mechanism | milling machines |
CA-41,621 | Jan. 16, 1893 | N. Clute | Methode D'Alimentation des Chaudieres | feedwater apparatus |
493,409 | Mar. 14, 1893 | F.H. Richards | Belt Shifting Apparatus | industrial machine pulleys and belt drive mechanisms |