Inventor · disambiguated record
Ronald L. Sitzema, Jr.
Also filed as: SITZEMA JR RONALD L · SITZEMA RONALD L
19 granted patents·1,149 citations·filing 1981–2002
97Inventor score
Top patents by PatentIndex Score
19 records- 0197US5086379ALow voltage outdoor floodlight having adjustable beam pattern, ball and socket mounting, and novel cable handlingINTERMATIC INC·Filed 1989·Granted Feb 4, 1992·183 cites·16 claims
- 0296USD270577SLuminaire reflectorGTE PROD CORP·Filed 1981·Granted Sep 13, 1983·70 cites·1 claims
- 0394US5655339ATubular skylight with improved domeODL INC·Filed 1996·Granted Aug 12, 1997·130 cites·17 claims
- 0493US4839781AReflector/refractorLEXALITE INT CORP·Filed 1988·Granted Jun 13, 1989·100 cites·20 claims
- 0592US5249109AOutdoor variable focus light fixtureINTERMATIC INC·Filed 1991·Granted Sep 28, 1993·76 cites·13 claims
- 0691US5481445ATransflection reflector having controlled reflected and transmitted light distributionLEXALITE INT CORP·Filed 1994·Granted Jan 2, 1996·80 cites·4 claims
- 0787US5321417AVisual display panelDAKTRONICS·Filed 1991·Granted Jun 14, 1994·75 cites·11 claims
- 0887US4867682ADental impression trayDENTSPLY RES & DEV·Filed 1987·Granted Sep 19, 1989·86 cites·9 claims
- 0982US5207498AVacuum cleaner headlightELECTROLUX CORP·Filed 1991·Granted May 4, 1993·57 cites·122 claims
- 1080US6698908B2Lighting fixture optical assembly including relector/refractor and collar for enhanced directional illumination controlLEXALITE INTERNAT CORP·Filed 2002·Granted Mar 2, 2004·39 cites·19 claims
- 1180US4398239ALuminaire adapted for horizontal and vertical operationGTE PROD CORP·Filed 1981·Granted Aug 9, 1983·32 cites·15 claims
- 1279US5983581ATubular skylight with offset domeODL INC·Filed 1998·Granted Nov 16, 1999·54 cites·20 claims
- 1378US4969074ATier light including deflecting and refracting prismsINTERMATIC INC·Filed 1989·Granted Nov 6, 1990·48 cites·7 claims
- 1472US6575601B1Lighting fixture optical assembly including relector/refractor and shroudLEXALITE INTERNAT CORP·Filed 2002·Granted Jun 10, 2003·26 cites·20 claims
- 1565US5228772ASolar powered lamp having a cover containing a fresnel lens structureSIEMENS SOLAR IND LP·Filed 1991·Granted Jul 20, 1993·27 cites·14 claims
- 1661USD333008SAdjustable exterior lightSIEMENS SOLAR IND LP·Filed 1991·Granted Feb 2, 1993·10 cites·1 claims
- 1758USRE38217ETubular skylight with improved domeODL INC·Filed 1999·Granted Aug 19, 2003·26 cites·34 claims
- 1856US5743634APerforated reflector for an ornamental luminaireLEXALITE INT CORP·Filed 1996·Granted Apr 28, 1998·24 cites·12 claims
- 1949USD332669SSolar powered light with motion sensorSIEMENS SOLAR IND LP·Filed 1991·Granted Jan 19, 1993·6 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →