For the Inventor, By the Inventor

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Mountain View, CA, United States of America

Pacific Western Systems

USPTO Granted Patents = 18

Forward Citations = 707

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16 inventors (with patents filed for the assignee):

Daniel A Worsham (7 out of 9 patents)

Charles E Ellenberger (3 out of 3 patents)

John D Schmidt (2 out of 6 patents)

4. Timothy Harns (2 out of 2 patents)

5. Jerry Wayne Zimmer (1 out of 13 patents)

6. Wayne R Merryman (1 out of 1 patent)

7. George M Engle, Jr (1 out of 1 patent)

8. Jack E Ashley (1 out of 1 patent)

9. Joseph M Munoz (1 out of 1 patent)

10. William R Snow (1 out of 1 patent)

11. George L Bower (1 out of 1 patent)

12. George E Staudacher (1 out of 1 patent)

13. Vernon C Milligan (1 out of 1 patent)

14. Hayden K Piper (1 out of 1 patent)

15. Keith A Frost (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 5763879 - Diamond probe tip (1998-06-09),

2. 4820370 - Particle shielded R. F. connector for a plasma enhanced chemical vapor (1989-04-11),

3. 4795977 - Interface system for interfacing a device tester to a device under test (1989-01-03),

4. 4761301 - Electrical insulator for a plasma enhanced chemical vapor processor (1988-08-02),

5. 4736373 - Memory tester having concurrent failure data readout and memory repair (1988-04-05),

6. 4718202 - Method and apparatus for rounding the edges of semiconductive wafers (1988-01-12),

7. 4661033 - Apparatus for unloading wafers from a hot boat (1987-04-28),

8. 4590422 - Automatic wafer prober having a probe scrub routine (1986-05-20),

9. 4500836 - Automatic wafer prober with programmable tester interface (1985-02-19),

10. 4500563 - Independently variably controlled pulsed R.F. plasma chemical vapor (1985-02-19),

11. 4460999 - Memory tester having memory repair analysis under pattern generator (1984-07-17),

12. 4460997 - Memory tester having memory repair analysis capability (1984-07-17),

13. 4292722 - Renewable nut for a lead screw drive and method of making same (1981-10-06),

14. 4251772 - Probe head for an automatic semiconductive wafer prober (1981-02-17),

15. 4249846 - Rotary vacuum seal for a wafer transport system (1981-02-10),

Pacific Western Systems, based in Mountain View, California, specializes in advanced technology solutions, focusing on software development and system integration. The company is known for its innovative approaches in cloud computing, data analytics, and enterprise software, catering to a diverse range of industries. With a commitment to enhancing operational efficiency and driving digital transformation, Pacific Western Systems leverages cutting-edge technologies to deliver tailored solutions that meet the evolving needs of its clients.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

18 Patents

#162 in Mountain View, CA

#4,284 in California

#17,952 in US

#34,187 in the World

Mountain View, CA, United States of America

Pacific Western Systems

Forward Citations = 707

16 inventors:

Daniel A Worsham (7 out of 9 patents)

Charles E Ellenberger (3 out of 3 patents)

John D Schmidt (2 out of 6 patents)

4. Timothy Harns (2 out of 2 patents)

5. Jerry Wayne Zimmer (1 out of 13 patents)

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