David Carpenter — 22 Patents at Unknown

David Carpenter has been granted 22 US patents while listed as an inventor at Unknown. The first was granted in 1988 and the most recent in July 2025. David Carpenter ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list David Carpenter in Jaffrey, NH, US.

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12370709	Shaving device	Ruairidh Robertson, Alan Kenneth Stratton, George K. Bonnoitt, Jr.	2025-07-29
12370710	Shaving device	Ruairidh Robertson, Alan Kenneth Stratton, George K. Bonnoitt, Jr.	2025-07-29
11623357	Shaving device	Ruairidh Robertson, Alan Kenneth Stratton, George K. Bonnoitt, Jr.	2023-04-11
11485034	Shaving device	Ruairidh Robertson, Alan Kenneth Stratton, George K. Bonnoitt, Jr.	2022-11-01
11065773	Shaving device	Ruairidh Robertson, Alan Kenneth Stratton, George K. Bonnoitt, Jr.	2021-07-20
11014255	Shaving device	Ruairidh Robertson, Alan Kenneth Stratton, George K. Bonnoitt, Jr.	2021-05-25
10647012	Shaving device	Ruairidh Robertson, Alan Kenneth Stratton, George K. Bonnoitt, Jr.	2020-05-12
10406707	Shaving device	Ruairidh Robertson, Alan Kenneth Stratton, George K. Bonnoitt, Jr.	2019-09-10
10112313	Shaving device	Ruairidh Robertson, Alan Kenneth Stratton, George K. Bonnoitt, Jr.	2018-10-30
10105858	Shaving device	Ruairidh Robertson, Alan Kenneth Stratton, George K. Bonnoitt, Jr.	2018-10-23
9764487	Shaving device	Ruairidh Robertson, Alan Kenneth Stratton, George K. Bonnoitt, Jr.	2017-09-19
9687989	Shaving device	Ruairidh Robertson, Alan Kenneth Stratton, George K. Bonnoitt, Jr.	2017-06-27
9550303	Shaving device	Ruairidh Robertson, Alan Kenneth Stratton, George K. Bonnoitt, Jr.	2017-01-24
7096586	Combined scissors and box cutter	Christoper Aiston	2006-08-29	$342,000
D515894	Scissors with interchangeable blades	Christoper Aiston	2006-02-28
D460333	Scissors with locking handle	Christopher Aiston	2002-07-16
D460334	Combined box cutter and scissors	Christopher Aiston	2002-07-16
5921902	Adjustable handlebar for exercise equipment	—	1999-07-13
5573484	Weighted auxiliary handle for dumbbell	—	1996-11-12
5415607	Exercise device	—	1995-05-16
5088731	Arm exercise machine	—	1992-02-18
4718664	Portable, light weight exercise machine	—	1988-01-12

David Carpenter — 22 Patents

Issued Patents All Time

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