Dean Schumacher — 15 Patents at Unknown

Dean Schumacher has been granted 15 US patents while listed as an inventor at Unknown. The first was granted in 1991 and the most recent in December 2025. Dean Schumacher ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Dean Schumacher in Wellington, MI, US.

Patents per Year

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #	Title	Co-Inventors	Date
12485194	System and apparatus for sanitizing a point of contact	—	2025-12-02
12397074	Door handle sanitizing device	—	2025-08-26
12296061	System and apparatus for sanitizing a door opening device or other point of contact	—	2025-05-13
11813373	System and apparatus for sanitizing a point of contact	—	2023-11-14
11524085	Door handle sanitizing device	—	2022-12-13
11400174	System and apparatus for sanitizing a point of contact	—	2022-08-02
10792380	System and apparatus for sanitizing a point of contact	—	2020-10-06
10744405	Video game incorporating safe live-action combat	—	2020-08-18
10080959	Video game incorporating safe live-action combat	—	2018-09-25
9833525	System and apparatus for sanitizing a door opening device or other point of contact	—	2017-12-05
9486700	Video game incorporating safe live-action combat	—	2016-11-08
8698100	System and apparatus for sanitizing a door opening device or other point of contact	—	2014-04-15
RE37616	Projectile discharge apparatus	—	2002-04-02
5359985	Projectile discharge apparatus	—	1994-11-01
5004245	Method and apparatus for playing a game	William F. Blume, John C. Bonds	1991-04-02

Dean Schumacher — 15 Patents

Patents per Year

Issued Patents All Time

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