Inventor · disambiguated record
David H. Smithgall, Sr.
Also filed as: SMITHGALL DAVID H · SMITHGALL DAVID H SR · SMITHGALL DAVID HARRY · SMITHGALL SR DAVID H
16 granted patents·883 citations·filing 1976–1999
95Inventor score
Files withLUCENT TECHNOLOGIES INC6AT & T BELL LAB4WESTERN ELECTRIC CO3AT & T TECHNOLOGIES INC2AMERICAN TELEPHONE & TELEGRAPH1
Top patents by PatentIndex Score
16 records- 0196US6027027ALuggage tag assemblyLUCENT TECHNOLOGIES INC·Filed 1997·Granted Feb 22, 2000·286 cites·14 claims
- 0295US5995048AQuarter wave patch antennaLUCENT TECHNOLOGIES INC·Filed 1997·Granted Nov 30, 1999·173 cites·11 claims
- 0394US5929779ARead/write protocol for radio frequency identification tagsLUCENT TECHNOLOGIES INC·Filed 1997·Granted Jul 27, 1999·211 cites·15 claims
- 0485US4046536AMonitoring and control of optical fiber diametersWESTERN ELECTRIC CO·Filed 1976·Granted Sep 6, 1977·36 cites·6 claims
- 0579US5228893AOptical fiber tension monitoring techniqueAT & T BELL LAB·Filed 1991·Granted Jul 20, 1993·29 cites·15 claims
- 0673US5316562AOptical fiber tension monitoring techniqueAT & T BELL LAB·Filed 1992·Granted May 31, 1994·31 cites·10 claims
- 0765US4390897ATechnique for automatically centering a lightguide fiber in a coatingWESTERN ELECTRIC CO·Filed 1981·Granted Jun 28, 1983·21 cites·9 claims
- 0864US4957526AOptical fiber coating control processAT & T BELL LAB·Filed 1989·Granted Sep 18, 1990·21 cites·21 claims
- 0952US4176961AMethods and apparatus for improving the resolution of measured parametersWESTERN ELECTRIC CO·Filed 1977·Granted Dec 4, 1979·6 cites·11 claims
- 1050US4973343AOptical fiber coating control apparatusAT & T BELL LAB·Filed 1989·Granted Nov 27, 1990·12 cites·7 claims
- 1149US4952226ALightguide coating controlAMERICAN TELEPHONE & TELEGRAPH·Filed 1989·Granted Aug 28, 1990·12 cites·8 claims
- 1248US6313909B1Fiber defect detection apparatus and methodLUCENT TECHNOLOGIES INC·Filed 1999·Granted Nov 6, 2001·13 cites·22 claims
- 1346US4545542ALightguide fiber spool changeover techniqueAT & T TECHNOLOGIES INC·Filed 1984·Granted Oct 8, 1985·7 cites·5 claims
- 1444US5828448AMethod and apparatus for distinguishing between defects in an optical fiber coatingLUCENT TECHNOLOGIES INC·Filed 1997·Granted Oct 27, 1998·12 cites·14 claims
- 1544US5786891AMethod and apparatus for detecting defects in an optical fiber coatingLUCENT TECHNOLOGIES INC·Filed 1997·Granted Jul 28, 1998·12 cites·17 claims
- 1631US4553706ALightguide fiber spool changeover techniqueAT & T TECHNOLOGIES INC·Filed 1984·Granted Nov 19, 1985·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →