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 = 701

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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 is a leading provider of technology solutions for businesses. With over 20 years of experience, we specialize in customizing and implementing reliable IT infrastructure and security systems. Our services include network design, installation, and maintenance, as well as cloud solutions and cybersecurity. We partner with top industry vendors to deliver cutting-edge technology solutions tailored to meet the unique needs of each client.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

18 Patents

#141 in Mountain View, CA

#4,145 in California

#17,382 in US

#33,147 in the World

Mountain View, CA, United States of America

Pacific Western Systems

Forward Citations = 701

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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