Patent Grant
D422813
| Number | Name | Date | Kind |
|---|---|---|---|
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| D170006 | Chapman et al. | Jul 1953 | |
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| D324615 | Diffrient | Mar 1992 | |
| D336394 | Ball | Jun 1993 | |
| D394766 | Brandt | Jun 1998 | |
| D403898 | Arnegger | Jan 1999 | |
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| 628712 | Hoshour | Jul 1899 | |
| 1044879 | Fye | Nov 1912 | |
| 1571807 | Schmitt | Feb 1926 | |
| 1585598 | Miner | May 1926 | |
| 1593975 | Karstens | Jul 1926 | |
| 1842954 | Anderson | Jan 1932 | |
| 1939459 | Murray | Dec 1933 | |
| 1939904 | Koopman | Dec 1933 | |
| 1956946 | Duffy | May 1934 | |
| 1959725 | Lindsay | May 1934 | |
| 2294575 | Schneider | Sep 1942 | |
| 2695827 | De Saussure, Jr. | Nov 1954 | |
| 2836475 | Sapp | May 1958 | |
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| 3117535 | Hendrickson | Jan 1964 | |
| 3124085 | Sanchez | Mar 1964 | |
| 3349728 | Barecki et al. | Oct 1967 | |
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| 4163592 | Nelson | Aug 1979 | |
| 4168870 | Hill | Sep 1979 | |
| 4444124 | Burr | Apr 1984 | |
| 4550666 | Svoboda | Nov 1985 | |
| 4561622 | Heinzel | Dec 1985 | |
| 4646654 | Sullivan | Mar 1987 | |
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| 4734826 | Wilson et al. | Mar 1988 | |
| 4748913 | Favaretto et al. | Jun 1988 | |
| 4750432 | McNamara et al. | Jun 1988 | |
| 4827850 | Diffrient | May 1989 | |
| 4827851 | Diffrient | May 1989 | |
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| 5094174 | Grund et al. | Mar 1992 | |
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| Number | Date | Country |
|---|---|---|
| 38259 | Mar 1909 | ATX |
| 2561725 | Mar 1984 | FRX |
| 2618652 | Jul 1987 | FRX |
| 2630312 | Apr 1988 | FRX |
| 2639408 | Nov 1988 | FRX |
| 2624176 | Dec 1998 | FRX |
| 1076920 | Apr 1953 | DEX |
| 2049025 | Dec 1980 | GBX |
