Leonard J. Janowski

📍 Carver, MA: #11 of 33 inventorsTop 35%

🗺 Massachusetts: #33,482 of 88,656 inventorsTop 40%

Overall (All Time): #1,630,891 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
6146620	Shaving compositions useful in altering the growth of male beard hair	—	2000-11-14
5488774	Cutting edges	—	1996-02-06
5257564	Forming of cutting edges by the controlled graphitization of diamond	—	1993-11-02