No claim is made to portions which are not shown. The dash-dot-dash lining indicates claim boundary beyond which no claim is made. The dash-dash lining indicates disclaimed portions to which no claim is made.
No claim is made to portions which are not shown. The dash-dot-dash lining indicates claim boundary beyond which no claim is made. The dash-dash lining indicates disclaimed portions to which no claim is made.
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|---|---|---|---|
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| 3736770 | Kelrick | Jun 1973 | A |
| 4353370 | Evans | Oct 1982 | A |
| 4694664 | Elsener | Sep 1987 | A |
| 4815180 | Elsener | Mar 1989 | A |
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| 10244832 | Kakadiya | Apr 2019 | B2 |
| 20110056241 | Li | Mar 2011 | A1 |
| 20180103732 | Kakadiya | Apr 2018 | A1 |