| All Patents in class 30/275 | 
| Patents 1 - 
					6
					of 6 
       | 
| Number | Date | Patentee | Title | Type | 
| 425,572 | Apr. 15, 1890 | D.D. Tompkins | Self-oiling pulley | industrial machine pulleys and belt drive mechanisms | 
| 824,480 | Jun. 26, 1906 | C.B. Hastings | Motor Tool Holder | handheld power tool accessories | 
| 1,492,554 | May 06, 1924 | V. Colby | Scroll-cutting machine | handheld power jigsaws | 
| 1,663,267 | Mar. 20, 1928 | V.V. Colby | Means for cutting | scrollsaws | 
| 2,070,885 | Feb. 16, 1937 | V.V. Colby | Cutting machine | handheld power jigsaws | 
| 2,193,878 | Mar. 19, 1940 | W.P. Gallagher | Cutting machine | handheld power jigsaws |