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| 3927881 | Lemelson et al. | Dec 1975 | A | 
| 3953030 | Muchnick | Apr 1976 | A | 
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| 4543278 | Ackerman | Sep 1985 | A | 
| 4579537 | Leahy | Apr 1986 | A | 
| 4671514 | Wilson-Diehl | Jun 1987 | A | 
| 4824414 | Goldblatt | Apr 1989 | A | 
| 4883441 | Byer | Nov 1989 | A | 
| 4950196 | Fortune et al. | Aug 1990 | A | 
| 4968279 | Smith | Nov 1990 | A | 
| D317798 | Warcholik | Jun 1991 | S | 
| 5022886 | Jenkins | Jun 1991 | A | 
| 5082291 | Appel et al. | Jan 1992 | A | 
| 5092778 | Shaver et al. | Mar 1992 | A | 
| 5108108 | Norman et al. | Apr 1992 | A | 
| 5141465 | Stellman | Aug 1992 | A | 
| 5186673 | Fogarty et al. | Feb 1993 | A | 
| 5195917 | Russell et al. | Mar 1993 | A | 
| 5232390 | Brooks | Aug 1993 | A | 
| 5261673 | Miller | Nov 1993 | A | 
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| 5344355 | Silverstein | Sep 1994 | A | 
| 5344356 | Pizzelli et al. | Sep 1994 | A | 
| 5348510 | DuPont et al. | Sep 1994 | A | 
| 5372509 | Brocato et al. | Dec 1994 | A | 
| 5762569 | Hale | Jun 1998 | A | 
| 5779570 | Bear | Jul 1998 | A | 
| 5829073 | Lee | Nov 1998 | A | 
| 5848900 | Pearson | Dec 1998 | A | 
| 6056618 | Larian | May 2000 | A | 
| D428453 | Reithmeier | Jul 2000 | S | 
| 6234863 | Hughey et al. | May 2001 | B1 | 
| 6280283 | Sisler | Aug 2001 | B1 | 
| 6422558 | Chambers | Jul 2002 | B1 | 
| Entry | 
|---|
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