Erwin A. Alpern

📍 Washington, DC: #1,086 of 3,063 inventorsTop 40%

🗺 District of Columbia: #1,086 of 3,063 inventorsTop 40%

Overall (All Time): #2,230,583 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6289539	Handrail attachments for beds	—	2001-09-18
5463784	Hand rail attachment for beds	—	1995-11-07