Inventor · disambiguated record
Margaret A. Roberts
Also filed as: ROBERTS MARGARET · ROBERTS MARGARET A
5 granted patents·145 citations·filing 1978–2000
82Inventor score
Technology areasB65G
Files withCONSOL ENGERGY INC1CONSOL INC1CONSOLICATION COAL COMPANY1CONSOLIDATION COAL CO1MARSUPIUM INC1
Top patents by PatentIndex Score
5 records- 0189US5938004AMethod of providing temporary support for an extended conveyor beltCONSOL INC·Filed 1997·Granted Aug 17, 1999·88 cites·7 claims
- 0275US4957405AApparatus for miningCONSOLIDATION COAL CO·Filed 1988·Granted Sep 18, 1990·29 cites·2 claims
- 0356US4798279AMine haulage method and apparatusCONSOLICATION COAL COMPANY·Filed 1986·Granted Jan 17, 1989·17 cites·2 claims
- 0446US6659269B1Apparatus and method for temporary support and isolation for a conveyor beltCONSOL ENGERGY INC·Filed 2000·Granted Dec 9, 2003·7 cites·8 claims
- 0538USD255525SSleeping bagMARSUPIUM INC·Filed 1978·Granted Jun 24, 1980·4 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →