| All Patents in class 7/101 | 
| Patents 1 - 
					6
					of 6 
       | 
| Number | Date | Patentee | Title | Type | 
| 15,073 | Jun. 10, 1856 | W. Hart | Combination Hand Vise and Calipers | calipers | 
| RE9,310 | Jul. 20, 1880 | J.S. Birch | Improvement in an Adjustable Holding Device and Watch-Key | self-adjust wrenches | 
| 251,182 | Dec. 20, 1881 | O.W. Bullock | Tweezers | watchmaker | 
| 251,183 | Dec. 20, 1881 | O.W. Bullock | Combination watch-hand remover and case-opener | watchmaker | 
| 428,193 | May 20, 1890 | G.B. Widdifield | Improvements in  Combined Calipers and Balance-Wheel Truing-Pliers | pliers | 
| 505,835 | Oct. 03, 1893 | C.H. Laird, H.M. Kulp | Watchmaker's Pliers | pliers |