| Patents for Richard K. Le Blond | 
| Patents 1 - 
					15
					of 30 
       | 
| Number | Date | Patentee | Title | Type | 
| 584,001 | Jun. 08, 1897 | R.K. Le Blond, N.D. Chard | Engine-lathe | metal lathes | 
| 652,788 | Jul. 03, 1900 | R.K. Le Blond | Machine Tool | engine lathes | 
| 706,186 | Aug. 05, 1902 | R.K. Le Blond | Variable Speed Mechanism | metal lathes | 
| 725,099 | Apr. 14, 1903 | W.F. Groene, R.K. Le Blond | Variable Speed Mechanism for Back Gearing | metalworking speed changing mechanisms | 
| 763,770 | Jun. 28, 1904 | W.F. Groene, R.K. Le Blond | Feed and Speed Changing Device for Machine-Tools | metal lathe mechanisms | 
| 768,608 | Aug. 30, 1904 | W.F. Groene, R.K. Le Blond | Feed and Speed Changing Device for Machine-tools | metal lathe mechanisms | 
| 788,657 | May 02, 1905 | W.F. Groene, R.K. Le Blond | Feed and Speed Changing Device | metal lathe mechanisms | 
| 788,658 | May 02, 1905 | R.K. Le Blond | Speed Changing Device | metalworking speed changing mechanisms | 
| 845,005 | Feb. 19, 1907 | W.F. Groene, R.K. Le Blond | Variable Speed Mechanism | metalworking speed changing mechanisms | 
| 857,562 | Jun. 18, 1907 | W.F. Groene, R.K. Le Blond | Speed Changing Device | metalworking speed changing mechanisms | 
| 980,971 | Jan. 10, 1911 | W.F. Groene, R.K. Le Blond | Lathe | engine lathes | 
| 980,972 | Jan. 10, 1911 | W.F. Groene, R.K. Le Blond | Gearing | industrial machine gearing | 
| 980,973 | Jan. 10, 1911 | W.F. Groene, R.K. Le Blond | Gearing for Lathes, &c. | industrial machine gearing | 
| 980,974 | Jan. 10, 1911 | W.F. Groene, R.K. Le Blond | Lathe Gearing | industrial machine gearing | 
| 980,975 | Jan. 10, 1911 | W.F. Groene, R.K. Le Blond | Relieving Attachment for Lathes | metal relieving attachments |