Inventor · disambiguated record
Harold O. Dewall
Also filed as: DEWALL HAROLD O
5 granted patents·3 pending applications·119 citations·filing 1998–2021
82Inventor score
Top patents by PatentIndex Score
8 records- 0190US9649669B1Apparatus for cleaning drywall toolsDEWALL HAROLD O·Filed 2016·Granted May 16, 2017·9 cites·10 claims
- 0287US6452097B1Method and device for installing wallboard over a previously installed junction boxFiled 2001·Granted Sep 17, 2002·49 cites·3 claims
- 0362US6116769AMud mixing machine with lifting couplerFiled 1998·Granted Sep 12, 2000·34 cites·3 claims
- 0451US6161954AMud mixing machine and couplerFiled 1999·Granted Dec 19, 2000·21 cites·5 claims
- 0549US2011036375A1Tool cleaning method for drywall tools and other applicationsDEWALL HAROLD O·Filed 2009·Application pending·0 cites
- 0648US2021213488A1Portable system for washing toolsMUDMASTER INC·Filed 2021·Application pending·0 cites
- 0743USD665955SDrywall tool cleaning and recycling apparatusDEWALL HAROLD O·Filed 2011·Granted Aug 21, 2012·6 cites·1 claims
- 0833US2003014939A1Junction box and fixture installation methodFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →