Number | Date | Country | Kind |
---|---|---|---|
3904/83 | Nov 1983 | ATX |
Number | Name | Date | Kind |
---|---|---|---|
1178634 | Drewes | Apr 1916 | |
1238509 | Goodwin et al. | Aug 1917 | |
1461067 | Moser | Jul 1923 | |
1844383 | Davis | Feb 1932 | |
1955032 | Stevenson, Jr. | Apr 1934 | |
2085283 | Webb | Jun 1937 | |
2142208 | Protzeller | Jan 1939 | |
2165068 | Protzeller | Jul 1939 | |
2617600 | Cole | Nov 1952 | |
3316977 | Snoor | May 1967 | |
3685589 | Plasser et al. | Aug 1972 | |
3900392 | Speno et al. | Aug 1975 | |
4178995 | Theurer et al. | Dec 1979 | |
4245703 | Theurer et al. | Jan 1981 | |
4530403 | Theurer et al. | Jul 1985 |
Number | Date | Country |
---|---|---|
2116233 | Sep 1983 | GBX |
Entry |
---|
"Perforated Materials", General Catalog Number 75, .COPYRGT.1958,60,62, The Harrington & King Perforating Co. Inc., see pp. 3, 86-87, 131, 135. |