Robert F. Pfost

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Los Altos, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Heated cover device
- Patent number 5,552,580
- Issue date Sep 3, 1996
- Beckman Instruments, Inc.
- Robert F. Pfost
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Laboratory workstation using thermal vaporization control
- Patent number 5,496,517
- Issue date Mar 5, 1996
- Beckman Instruments, Inc.
- Robert F. Pfost
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Dual tape transport system with tensioning means
- Patent number 4,199,794
- Issue date Apr 22, 1980
- Newell Research Corporation
- Robert F. Pfost
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual tape transport system with related method and means for reduci...
- Patent number 4,135,058
- Issue date Jan 16, 1979
- Newell Research Corporation
- Robert F. Pfost
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic card substitute for coins for starting appliances and the...
- Patent number 4,020,325
- Issue date Apr 26, 1977
- Service Distributors, Inc.
- Robert Fred Pfost
- G06 - COMPUTING CALCULATING COUNTING