Assignee
ENGEL ROBERT W
5 granted patents·46 citations·filing 1977–2003
Top patents by PatentIndex Score
5 records- 0159US4438579AThree-dimensional picture with interchangeable scenesENGEL ROBERT W·Filed 1983·Granted Mar 27, 1984·20 cites·13 claims
- 0259US4169323AMeans for producing multi-colored hobby craft designsENGEL ROBERT W·Filed 1977·Granted Oct 2, 1979·14 cites·5 claims
- 0349US7326101B2Switching arrangements and accessories capable of activation by airENGEL ROBERT W·Filed 2003·Granted Feb 5, 2008·3 cites·22 claims
- 0437US4343476APlaying piece for a board gameENGEL ROBERT W·Filed 1980·Granted Aug 10, 1982·8 cites·7 claims
- 0537USD254745SToy houseENGEL ROBERT W·Filed 1977·Granted Apr 15, 1980·1 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →