Assignee
ZIEGLER WILLIAM R
US·5 granted patents·18 citations·filing 1987–1991
Technology mixG03B5
Top patents by PatentIndex Score
5 records- 0168US4733257AAlignment method and arrangement for use with a view cameraZIEGLER WILLIAM R·Filed 1987·Granted Mar 22, 1988·11 cites·19 claims
- 0239US5239339AAlignment technique for a photographic enlargerZIEGLER WILLIAM R·Filed 1991·Granted Aug 24, 1993·3 cites·33 claims
- 0336US4951087AAlignment technique for a photographic enlargerZIEGLER WILLIAM R·Filed 1988·Granted Aug 21, 1990·2 cites·41 claims
- 0433US5034766AMirror assembly for a small and medium format copy cameraZIEGLER WILLIAM R·Filed 1988·Granted Jul 23, 1991·1 cites·7 claims
- 0532US5057862AAlignment technique for a photographic enlargerZIEGLER WILLIAM R·Filed 1990·Granted Oct 15, 1991·1 cites·14 claims
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