Inventor · disambiguated record
Donald J. Alexander
Also filed as: ALEXANDER DONALD · ALEXANDER DONALD J · ALEXANDER DONALD JAMES · LEON JOSE A
18 granted patents·1,865 citations·filing 1980–2003
97Inventor score
Top patents by PatentIndex Score
18 records- 0194US5135447AExercise apparatus for simulating stair climbingLIFE FITNESS·Filed 1991·Granted Aug 4, 1992·186 cites·180 claims
- 0294US5083870AAsphalt plant with segmented drum and zonal heatingSINDELAR ROBERT A·Filed 1991·Granted Jan 28, 1992·117 cites·36 claims
- 0393US5752897AExercise treadmillBRUNSWICK CORP·Filed 1995·Granted May 19, 1998·115 cites·41 claims
- 0493US5382207AExercise treadmillLIFE FITNESS·Filed 1991·Granted Jan 17, 1995·148 cites·39 claims
- 0593US4347016AMethod and apparatus for asphalt pavingSINDELAR ROBERT A·Filed 1980·Granted Aug 31, 1982·101 cites·8 claims
- 0692US6923746B1Exercise treadmillBRUNSWICK CORP·Filed 1999·Granted Aug 2, 2005·117 cites·87 claims
- 0792US5484362AExercise treadmillLIFE FITNESS·Filed 1994·Granted Jan 16, 1996·90 cites·15 claims
- 0891US6436008B1Exercise treadmillBRUNSWICK CORP·Filed 2000·Granted Aug 20, 2002·79 cites·11 claims
- 0991US5305533ACombined direct and indirect rotary dryer with reclaimerALEXANDER DONALD J·Filed 1993·Granted Apr 26, 1994·65 cites·18 claims
- 1088US6095951AExercise treadmillBRUNSWICK CORP·Filed 1998·Granted Aug 1, 2000·80 cites·29 claims
- 1184US5318487AExercise system and method for managing physiological intensity of exerciseLIFE FITNESS·Filed 1992·Granted Jun 7, 1994·321 cites·47 claims
- 1280US5599259AExercise treadmillLIFE FITNESS·Filed 1995·Granted Feb 4, 1997·51 cites·17 claims
- 1377US5365934AApparatus and method for measuring heart rateLIFE FITNESS·Filed 1993·Granted Nov 22, 1994·231 cites·18 claims
- 1465US5243993AApparatus and method for measuring heart rateLIFE FITNESS·Filed 1991·Granted Sep 14, 1993·136 cites·27 claims
- 1549US5360619ACereal food ingredients from waxy barleyPETERSON ALEXANDER INC·Filed 1993·Granted Nov 1, 1994·14 cites·22 claims
- 1641USD482752SWaterfowl decoy pedestalFiled 2003·Granted Nov 25, 2003·7 cites·1 claims
- 1736US4448357ARotary maceratorINT HARVESTER CO·Filed 1982·Granted May 15, 1984·5 cites·7 claims
- 1833US5510136AMethod of making bread products without shortenings and/or oilsFiled 1994·Granted Apr 23, 1996·2 cites·5 claims
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