For the Inventor, By the Inventor

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Plymouth, MN, United States of America

Advance Machine Company

USPTO Granted Patents = 17

Forward Citations = 740

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11 inventors (with patents filed for the assignee):

David W Wood (7 out of 14 patents)

Donald Joseph Legatt (6 out of 26 patents)

Richard F Wulff (4 out of 16 patents)

4. Randy Brunn (2 out of 2 patents)

5. Everett E Johnson (2 out of 2 patents)

6. Jerome A Gunn (1 out of 2 patents)

7. William F Allen (1 out of 2 patents)

8. Cary W Armstrong (1 out of 1 patent)

9. Patrick A Huttner (1 out of 1 patent)

10. Mark Joseph Sowada (1 out of 2 patents)

11. William Charles Sletten, Ii (1 out of 2 patents)

17 patents: Sort by Forward Citations

1. 5706549 - Rotary disc floor cleaning apparatus (1998-01-13),

2. 5698957 - Over current protective circuit with time delay for a floor cleaning (1997-12-16),

3. 5674120 - Floor polishing machine (1997-10-07),

4. 5607178 - Rear wheel isolation suspension for floor scrubbers (1997-03-04),

5. 5455982 - Hard and soft floor surface cleaning apparatus (1995-10-10),

6. 5377376 - Mobile surface cleaning machine (1995-01-03),

7. 5369838 - Automatic floor scrubber (1994-12-06),

8. 5239720 - Mobile surface cleaning machine (1993-08-31),

9. 5088151 - Collection system for a floor polishing machine (1992-02-18),

10. 4947503 - Mobile floor treating machine (1990-08-14),

11. 4731956 - Floor polishing machine (1988-03-22),

12. 4709442 - Portable extractor (1987-12-01),

13. 4658459 - Floor polishing machine (1987-04-21),

14. 4186459 - Carpet brush attachment for a floor treating machine (1980-02-05),

15. 4158901 - Mobile surface cleaning machine having side mounted squeegees (1979-06-26),

Advance Machine Company is a leading manufacturer of precision machined components for a wide range of industries. With over 50 years of experience, we offer high-quality machining services from prototype to production. Our state-of-the-art facility and skilled team ensure that we deliver precision parts on time and within budget. Contact us today to learn more about our capabilities.

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

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USPTO Data Jan 1 1976 - Dec 16 2025

17 Patents

#35 in Plymouth, MN

#547 in Minnesota

#18,310 in US

#34,838 in the World

Plymouth, MN, United States of America

Advance Machine Company

Forward Citations = 740

11 inventors:

David W Wood (7 out of 14 patents)

Donald Joseph Legatt (6 out of 26 patents)

Richard F Wulff (4 out of 16 patents)

4. Randy Brunn (2 out of 2 patents)

5. Everett E Johnson (2 out of 2 patents)

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