PK

Paul B. Krebs

A- A-Dec: 7 patents #14 of 90Top 20%
CC Cornell Pump Company: 1 patents #20 of 25Top 80%
Overall (All Time): #669,074 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5395160 Armrest assembly for a dental chair Thomas Brink 1995-03-07
5340953 Switch controller Shawn R. Irwin 1994-08-23
D347946 Dental chair Carl G. Nordstrom 1994-06-21
5320415 Armrest assembly for a dental chair 1994-06-14
D343826 Foot switch controller Shawn R. Irwin 1994-02-01
5267778 Position control for a dental chair Bradley A. Rice, El Don L. Hoven 1993-12-07
5190349 Dental chair George K. Austin, Jr., El Don L. Hoven, Tony J. Tewell, Shawn R. Irwin, Bradley A. Rice 1993-03-02
4335886 Labyrinth seal with current-forming sealing passages Max Frey 1982-06-22