Number | Name | Date | Kind |
---|---|---|---|
1676775 | Doherty | Jul 1928 | |
1699306 | Millen | Jan 1929 | |
2385357 | Haas | Sep 1945 | |
2390515 | Cram et al. | Dec 1945 | |
2390545 | Lang | Dec 1945 | |
2392843 | Eckener | Jan 1946 | |
2584118 | Forster | Feb 1952 | |
2586805 | Forster | Feb 1952 | |
2969588 | Stephens | Jan 1961 | |
3093895 | Eddy | Jun 1963 | |
3348293 | Newton et al. | Oct 1967 | |
3602975 | Thurston | Sep 1971 |
Number | Date | Country |
---|---|---|
441233 | Feb 1927 | DE2 |
Entry |
---|
Heli-Coil Screw Thread Inserts Bulletin 900, 1970. |
Heli-Coil Power Inserting Tools Bulletin 859-B, 1970. |