Number | Name | Date | Kind |
---|---|---|---|
D274034 | Lacina | May 1984 | |
D331180 | Sorensen | Nov 1992 | |
D340851 | Sorensen | Nov 1993 | |
D341069 | Sorensen | Nov 1993 | |
D366819 | Wooster, Jr. et al. | Feb 1996 | |
D366820 | Wooster, Jr. et al. | Feb 1996 | |
2258686 | Olney | Oct 1941 | |
2340316 | Fest | Feb 1944 | |
2519107 | Brown | Aug 1950 | |
2766649 | Labry, Jr. | Oct 1956 | |
2778257 | Linskey et al. | Jan 1957 | |
2796787 | Aske | Jun 1957 | |
4252305 | Pasch | Feb 1981 | |
4905550 | Albrecht | Mar 1990 | |
5143359 | Bush | Sep 1992 | |
5243883 | Savage | Sep 1993 |
Entry |
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American Tool Catalog, published by American Tool Companies, Inc., pp. 10-11 and 13. It is believed that the catalog was published before Jun. 26, 1997. |
Seven photographs of a clamping pad with a side opening and a ridge near the opening. The pad shown in the photographs is belived to have been first available to the public in 1991. |