All Patents of Type: drill depth stops |
Patents 1 -
15
of 27
|
Number | Date | Patentee | Title | Type |
55,132 | May 29, 1866 | S.L. Lyford | Improvement in Gages for Augers | drill depth stops |
62,849 | Mar. 12, 1867 | T. Hofstatter | Improvement in Augers | countersinks |
74,466 | Feb. 11, 1868 | W.E. Whiting | Improvement in Gauges for Augers | drill depth stops |
80,915 | Aug. 11, 1868 | L. Colt | Auger | drill depth stops |
116,901 | Jul. 11, 1871 | A. Wheeler | Improvement in Gauges for Countersinks | drill depth stops |
157,562 | Dec. 08, 1874 | J.C. Goodrich, J.E. Windle | Improvement in Bit-Gages | drill depth stops |
169,075 | Oct. 26, 1875 | A.B. Batson | Improvement in Bit-Gages | drill depth stops |
232,851 | Oct. 05, 1880 | W.F. Rutter | Boring-Bit Gage | drill depth stops |
242,656 | Jun. 07, 1881 | W.H. King | Bit-gage | drill depth stops |
242,918 | Jun. 14, 1881 | S.H. Garrett | Boring Gage for Bits | drill depth stops |
260,997 | Jul. 11, 1882 | S. Kuhlman | Auger Depth Stop | drill depth stops |
294,985 | Mar. 11, 1884 | J. Fuller, Sr. | Gage Attachment for Boring-Bits, &c. | drill depth stops |
390,936 | Oct. 09, 1888 | J.E. Windle | Bit-gage | drill depth stops |
413,178 | Oct. 22, 1889 | E.E. Doe | Combined Scratch and Bit Gage | marking gauges |
455,199 | Jun. 30, 1891 | J.A. Goeb | Drill Depth Stop | drill depth stops |