Inventor · disambiguated record
William J. Krygsman
Also filed as: KRYGSMAN WILLIAM J
3 granted patents·25 citations·filing 2001–2004
70Inventor score
Technology areasB29C
Top patents by PatentIndex Score
3 records- 0176US6828372B2Railroad tie and method for making sameTIE TEK INC·Filed 2001·Granted Dec 7, 2004·16 cites·52 claims
- 0263US7195473B2Railroad tie and method for making sameNORTH AMERICAN TECHNOLOGIES GR·Filed 2004·Granted Mar 27, 2007·7 cites·9 claims
- 0353US7714056B2Railroad tie and method for making sameSULLIVAN HENRY W·Filed 2004·Granted May 11, 2010·2 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when William J. Krygsman files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →