| Patents for Herbert Hunt |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
 | GB-112,879 | Jan. 31, 1918 | P. Hunt, H.W. Hunt, H. Hunt | New or improved construction of twist drill grooving and clearance grinding (or milling) machines |
 | GB-113,389 | Feb. 21, 1918 | H.W. Hunt, H. Hunt, P. Hunt | Improvement in lathes for tapering twist drill shanks and for like purposes |
 | GB-122,735 | Feb. 06, 1919 | P. Hunt, H.W. Hunt, H. Hunt | Improvements in twist drill point grinding machines |
 | FR-489,933 | Mar. 22, 1919 | H. Hunt, H.W. Hunt, P. Hunt | Machine for sharpening helicoidal drill tips |
 | FR-495,289 | Oct. 03, 1919 | H. Hunt, H.W. Hunt, P. Hunt | Machine to groove and cut twist drills |
 | CA-209,162 | Mar. 08, 1921 | P. Hunt, H.W. Hunt, H. Hunt | Twist drill point grinding machine |
 | GB-164,057 | May 17, 1921 | P. Hunt, H.W. Hunt, H. Hunt | Improvements in automatic flute milling machines for reamers, taps, shafts and the like |
 | GB-168,634 | Sep. 08, 1921 | P. Hunt, H.W. Hunt, H. Hunt | Improvements in twist drill point grinding machines |
 | FE-23,110 | Oct. 04, 1921 | H. Hunt, H.W. Hunt, P. Hunt | Machine to groove and cut twist drills |
 | DE-375,851 | May 19, 1923 | H. Hunt, H.W. Hunt, P. Hunt | Drill grinding machine |
