Inventor · disambiguated record
Roger H. Appeldorn
Also filed as: APPELDORN ROGER H
17 granted patents·2,041 citations·filing 1974–1995
96Inventor score
Files withMINNESOTA MINING & MFG17
Top patents by PatentIndex Score
17 records- 0199US4775219ACube-corner retroreflective articles having tailored divergence profilesMINNESOTA MINING & MFG·Filed 1986·Granted Oct 4, 1988·450 cites·79 claims
- 0298US5432876AIllumination devices and optical fibres for use thereinMINNESOTA MINING & MFG·Filed 1992·Granted Jul 11, 1995·472 cites·21 claims
- 0398US4938563AHigh efficiency cube corner retroflective materialMINNESOTA MINING & MFG·Filed 1988·Granted Jul 3, 1990·232 cites·23 claims
- 0495US4848319ARefracting solar energy concentrator and thin flexible Fresnel lensMINNESOTA MINING & MFG·Filed 1988·Granted Jul 18, 1989·123 cites·5 claims
- 0594US5659643ANotched fiber array illumination deviceMINNESOTA MINING & MFG·Filed 1995·Granted Aug 19, 1997·93 cites·15 claims
- 0694US4875259AIntermeshable articleMINNESOTA MINING & MFG·Filed 1988·Granted Oct 24, 1989·162 cites·23 claims
- 0789US5088164AContainer with intermeshable closure membersMINNESOTA MINING & MFG·Filed 1989·Granted Feb 18, 1992·76 cites·14 claims
- 0886US5631994AStructured surface light extraction overlay and illumination systemMINNESOTA MINING & MFG·Filed 1995·Granted May 20, 1997·76 cites·15 claims
- 0986US5575550APole light having a programmable footprintMINNESOTA MINING & MFG·Filed 1995·Granted Nov 19, 1996·53 cites·6 claims
- 1086US4082433ALouvered echelon lensMINNESOTA MINING & MFG·Filed 1976·Granted Apr 4, 1978·42 cites·12 claims
- 1185US5360270AReusable security enclosureMINNESOTA MINING & MFG·Filed 1992·Granted Nov 1, 1994·60 cites·1 claims
- 1285US5113555AContainer with intermeshable closure membersMINNESOTA MINING & MFG·Filed 1990·Granted May 19, 1992·70 cites·9 claims
- 1381US4800868ATilted panel linear echelon solar collectorMINNESOTA MINING & MFG·Filed 1983·Granted Jan 31, 1989·38 cites·1 claims
- 1479US3972593ALouvered echelon lensMINNESOTA MINING & MFG·Filed 1974·Granted Aug 3, 1976·30 cites·19 claims
- 1578US4146883ADisplayMINNESOTA MINING & MFG·Filed 1977·Granted Mar 27, 1979·37 cites·16 claims
- 1662US5261184AGreenhouse construction and improved method of growing plantsMINNESOTA MINING & MFG·Filed 1991·Granted Nov 16, 1993·22 cites·10 claims
- 1743US4237493ATelevision support and picture projectorMINNESOTA MINING & MFG·Filed 1978·Granted Dec 2, 1980·5 cites·5 claims
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