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New Berlin, WI, United States of America

Robert S Johnson

USPTO Granted Patents = 8 (Patent Applications = 1)

Average Co-Inventor Count = 2.0

ph-index = 4

Forward Citations = 36(Granted Patents)

Location History:

Milwaukee, WI (US) (1997)
New Berlin, WI (US) (2013 - 2023)

Company Filing History:

Briggs & Stratton, LLC

Years Active: 1997-2023

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11712649 - Cyclonic air filter assembly for an engine (2023-08-01),

2. 11377996 - Muffler with baffle defining multiple chambers (2022-07-05),

3. 11260328 - Cyclonic air filter assembly for an engine (2022-03-01),

4. D896945 - Air filter (2020-09-22),

5. D876600 - Air filter (2020-02-25),

6. D867568 - Air filter (2019-11-19),

7. 8408183 - Ignition and fuel shutoff for engine (2013-04-02),

8. 5642701 - Engine cylinder head assembly having planar and cast components (1997-07-01),

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