RJ

Robert F. Johnson

HO Howmet: 2 patents #31 of 110Top 30%
EG Evonik Degussa Gmbh: 1 patents #940 of 1,853Top 55%
MP Mtd Products: 1 patents #143 of 250Top 60%
Overall (All Time): #538,337 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D1080247 Sanitizer dispenser Jamie Moore 2025-06-24
11067221 Hand hygiene system and method of use Homer L. Cole, Jamie Moore 2021-07-20
10517210 Multi-mode trimmer head Oscar Cabrera 2019-12-31
9564071 Portable marker device 2017-02-07
9165488 Support device for a post 2015-10-20
8087450 Fumed metal oxides for investment casting Shawn Nycz, Fred Klaessig 2012-01-03
6719484 Marker support 2004-04-13
5443111 Permanent mold for casting reactive melt Gregory N. Colvin, Leonard L. Ervin 1995-08-22
5287910 Permanent mold casting of reactive melt Gregory N. Colvin, Leonard L. Ervin 1994-02-22