Inventor

KELLER ROBERT R

US8 patents

⚠️ This page may combine multiple inventors who share the name “KELLER ROBERT R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KELLER COMPANIES INC

2 patents

US4338917AJul 13, 1982

Low temperature solar furnace and method

KELLER COMPANIES INC16 citations71

US4353353AOct 12, 1982

Low temperature solar furnace and method

KELLER COMPANIES INC6 citations60

US COMMERCE

2 patents

US9746415B2Aug 29, 2017

Sample holder, detector mask, and scope system

US COMMERCE2 citations65

US9970859B2May 15, 2018

Sample holder, detector mask, and scope system

US COMMERCE0 citations45

CHAMBERLAIN GROUP INC

1 patent

US10138671B2Nov 27, 2018

Barrier operator feature enhancement

CHAMBERLAIN GROUP INC14 citations91

KELLER PRODUCTS INC

1 patent

US4357978ANov 9, 1982

Roller shade seal system

KELLER PRODUCTS INC110 citations91

KELLER ROBERT R

1 patent

US8217087B1Jul 10, 2012

Aerogel with reduced dust, static charge, and having reduced fluidity when in granular form

KELLER ROBERT R10 citations71

KALWALL CORP

1 patent

US5493826AFeb 27, 1996

Insulating light transmitting flat structure panel providing the illusion of a three-dimensional array of step-like block structures, and method of constructing the same

KALWALL CORP9 citations70