Number | Name | Date | Kind |
---|---|---|---|
221552 | Hanson | Nov 1879 | A |
541673 | Peabody | Jun 1895 | A |
2362711 | Moore | Nov 1944 | A |
2914098 | McLennan | Nov 1959 | A |
4126165 | Guignard | Nov 1978 | A |
4754787 | Smith | Jul 1988 | A |
4831674 | Bergstrom | May 1989 | A |
5088861 | Little | Feb 1992 | A |
D358751 | Kemp | May 1995 | S |
5682933 | Martel | Nov 1997 | A |
6253812 | Rinehart | Jul 2001 | B1 |
6293740 | Schulte | Sep 2001 | B1 |
6929024 | Rucker | Aug 2005 | B1 |
7568865 | Ketterer | Aug 2009 | B1 |
7625292 | Glimpel | Dec 2009 | B2 |
8062694 | Pinnow | Nov 2011 | B2 |
8425163 | Yamamoto | Apr 2013 | B2 |
8708007 | Jackson | Apr 2014 | B2 |
8800613 | Batty | Aug 2014 | B2 |
9138819 | Ohhashi | Sep 2015 | B2 |
D805863 | Alho | Dec 2017 | S |
20180133824 | Meyer | May 2018 | A1 |
Entry |
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Youtube.com print out of Thread Chasing tools, Allan Batty, published Dec. 22, 2014. |
Ball Grip, “https://www.vesseltools.com/handtools/screwdrivers/ballgrip” accessed Jun. 17, 2019. |
Sorby Pair of thread cutters, 10tpi, “https://www.toolpost.co.uk/product/sorby-pair-thread-cutters-10tpi,” accessed Feb. 28, 2020. |